Top 39 Slang For Doubt – Meaning & Usage

When it comes to expressing uncertainty or skepticism, language is constantly evolving to keep up with the times. Doubt is no exception, with new slang terms popping up left and right. Luckily, our team has done the legwork to compile a list of the latest and most popular slang for doubt. Get ready to level up your vocabulary and stay ahead of the curve with these trendy expressions!

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1. Skeptical

This term describes someone who has doubts or is hesitant to believe something. It suggests a questioning or critical mindset.

For example, “I’m skeptical about that new diet fad. It sounds too good to be true.”
In a political discussion, someone might say, “I’m skeptical of the candidate’s promises. They seem unrealistic.”
A person might express their skepticism by saying, “I’ll believe it when I see it.”

2. Dubious

This word indicates uncertainty or suspicion about the truth or reliability of something. It suggests a lack of trust or confidence.

For instance, “That website looks dubious. I wouldn’t trust the information on it.”
In a debate, someone might argue, “The evidence provided is dubious at best.”
A person might express their doubts by saying, “I find their explanation highly dubious.”

3. Questionable

This term implies that something is open to doubt or uncertainty. It suggests that there are reasons to question its validity or reliability.

For example, “The company’s financial practices are questionable. I wouldn’t invest in them.”
In a discussion about a controversial decision, someone might say, “The motives behind this action are highly questionable.”
A person might express their doubts by saying, “The evidence presented is highly questionable.”

4. Uncertain

This word describes a lack of confidence or knowledge about something. It suggests a state of being unsure or hesitant.

For instance, “I’m uncertain about my career path. I’m not sure what I want to do.”
In a decision-making process, someone might say, “I’m uncertain about which option to choose.”
A person might express their doubts by saying, “I’m still uncertain about the outcome.”

5. Hesitant

This term describes someone who is reluctant or unsure about taking action or making a decision. It suggests a lack of confidence or certainty.

For example, “She was hesitant to speak up in the meeting. She wasn’t sure if her ideas were valid.”
In a discussion about trying something new, someone might say, “I’m hesitant to step out of my comfort zone.”
A person might express their doubts by saying, “I’m hesitant to believe their claims without more evidence.”

6. Suspicious

When someone is suspicious, they have a feeling that something is not quite right or trustworthy. It implies a lack of trust or belief in someone or something.

For example, “I’m suspicious of his sudden generosity. What does he want in return?”
In a crime investigation, a detective might say, “I find it suspicious that he has an alibi for every crime scene.”
A person might express their suspicion by saying, “I’m not buying his story. Something just seems off.”

7. Disbelieving

When someone is disbelieving, they have a hard time accepting or believing something. It suggests a lack of trust or faith in the information or statement.

For instance, “She looked at him with a disbelieving expression when he told her he won the lottery.”
In a debate, one person might say, “I’m disbelieving of your argument. The evidence doesn’t support your claim.”
A person might express their disbelief by saying, “I find it hard to believe that she actually saw a UFO.”

8. Distrustful

When someone is distrustful, they have a lack of trust or confidence in someone or something. It implies a sense of skepticism or doubt towards the trustworthiness or reliability.

For example, “He is distrustful of politicians and believes they are all corrupt.”
In a business negotiation, one party might say, “I’m distrustful of your offer. I think there’s a hidden agenda.”
A person might express their distrust by saying, “I’m sorry, but I’m distrustful of your promises. I’ve been let down before.”

9. Unconvinced

When someone is unconvinced, they are not easily persuaded or convinced by something. It suggests a lack of belief or certainty in the information or argument.

For instance, “Despite the evidence presented, she remained unconvinced of his innocence.”
In a sales pitch, a customer might say, “I’m unconvinced that this product will solve my problem.”
A person might express their lack of conviction by saying, “I’m sorry, but I’m unconvinced that your plan will succeed.”

10. Cynical

When someone is cynical, they have a skeptical or distrustful attitude towards something. It implies a belief that people are motivated by self-interest and that things are often not as they seem.

For example, “He has a cynical view of relationships and believes that everyone is just looking out for themselves.”
In a political discussion, one might say, “I’m cynical about politicians. They make promises they never intend to keep.”
A person might express their cynicism by saying, “I’m sorry, but I’m cynical about your intentions. I’ve seen too many people let me down.”

11. Unbelieving

This term describes someone who does not easily believe or accept something. It suggests a sense of doubt or hesitation towards a particular statement or claim.

For example, if someone tells a far-fetched story, you might respond, “I’m unbelieving of that outrageous tale.”
In a conversation about a supernatural event, a person might say, “I remain unbelieving until I see concrete evidence.”
A skeptic might express their doubts by saying, “I’m unbelieving of the so-called miracle cure.”

12. Incredulous

When someone is incredulous, they find it hard to believe or accept something. This term carries a sense of astonishment or disbelief, often accompanied by a skeptical tone.

For instance, if someone shares an unbelievable fact, you might respond, “I’m incredulous! That can’t be true.”
In a discussion about a dubious claim, a person might say, “I’m incredulous about the supposed benefits of that product.”
A skeptic might express their incredulity by saying, “I find it incredibly incredulous that anyone could fall for such a scam.”

13. Wary

Being wary means being cautious or on guard, often due to a sense of doubt or suspicion. It implies a level of wariness towards a person, situation, or statement.

For example, if someone offers you a deal that sounds too good to be true, you might say, “I’m wary of their intentions.”
In a conversation about a potential scam, a person might warn, “Be wary of anyone asking for your personal information.”
A skeptic might express their wariness by saying, “I’m always wary when someone claims to have a foolproof plan.”

14. Dismissive

When someone is dismissive, they show a lack of interest or belief in something. It suggests a disregard or rejection of a statement or idea, often due to doubt or skepticism.

For instance, if someone presents a weak argument, you might respond, “I’m dismissive of their claims.”
In a discussion about a controversial topic, a person might say, “I’m dismissive of the opposing viewpoint.”
A skeptic might express their dismissiveness by saying, “I find their evidence unconvincing and dismissive of their theory.”

15. Untrustworthy

Untrustworthy describes someone or something that cannot be relied upon or trusted. It implies doubt or skepticism towards the credibility or reliability of a person or statement.

For example, if someone consistently lies, you might say, “They are untrustworthy.”
In a conversation about a dubious source, a person might warn, “Be wary of that untrustworthy website.”
A skeptic might express their doubts by saying, “I find their claims highly untrustworthy.”

16. Disputed

This term is used to describe something that is the subject of disagreement or debate. It implies that there are conflicting opinions or evidence regarding the matter.

For example, “The findings of the study are disputed among experts.”
In a discussion about a controversial topic, someone might say, “The claim made by the author is highly disputed.”
A news article might state, “The election results were disputed by several political parties.”

17. Unreliable

This word is used to describe something or someone that cannot be relied upon or trusted. It suggests a lack of dependability or consistency.

For instance, “The information provided by that source is unreliable.”
In a conversation about a product, someone might say, “I had a bad experience with that brand, their products are unreliable.”
A person might warn, “Be cautious of the information you find online, there’s a lot of unreliable sources out there.”

18. Undecided

This term refers to a state of uncertainty or indecision. It indicates that a decision or choice has not been made yet.

For example, “I’m still undecided about which college to attend.”
In a discussion about future plans, someone might say, “I’m undecided about what career path to pursue.”
A person might ask, “Are you still undecided about where to go for vacation?”

19. Indecisive

This word describes someone who has difficulty making decisions or tends to waver between choices. It suggests a lack of firmness or confidence in decision-making.

For instance, “She’s always so indecisive, it takes her forever to choose what to order.”
In a group discussion about a project, someone might say, “We need to make a decision soon, let’s not be indecisive.”
A friend might ask, “Why are you so indecisive about what movie to watch?”

20. Unsettled

This term is used to describe a situation or state of affairs that is not yet resolved or finalized. It implies a lack of clarity or stability.

For example, “The legal case is still unsettled, the final verdict hasn’t been reached.”
In a conversation about a relationship, someone might say, “We’re in an unsettled state right now, trying to figure things out.”
A person might comment, “The issue of climate change is still unsettled, there are ongoing debates and discussions.”

21. Ambivalent

Ambivalent refers to feeling uncertain or having mixed feelings about something. It is often used to describe a state of doubt or indecision.

For example, someone might say, “I’m ambivalent about whether or not to go to the party.”
In a discussion about a controversial topic, a person might express their ambivalence by saying, “I can see both sides of the argument and feel ambivalent about taking a stance.”
A character in a book might be described as ambivalent if they are torn between two conflicting choices.

22. Sceptical

Sceptical is used to describe someone who is doubtful or inclined to question and challenge something. It implies a sense of skepticism or disbelief.

For instance, a person might say, “I’m sceptical about that new diet fad.”
In a debate, someone might express their scepticism by saying, “I find it hard to believe the evidence presented.”
A character in a mystery novel might be described as sceptical if they doubt the claims of a suspicious character.

23. Questioning

Questioning refers to the act of asking questions or expressing doubt about something. It implies a sense of curiosity and a desire to seek answers.

For example, someone might say, “I’m questioning the validity of those statistics.”
In a classroom discussion, a student might ask, “I’m questioning the logic behind this argument.”
A person going through a personal crisis might be described as questioning their beliefs and values.

24. Hazy

Hazy is used to describe something that is unclear or uncertain. It implies a sense of vagueness or lack of clarity.

For instance, a person might say, “My memory of that event is hazy.”
In a conversation about future plans, someone might say, “The details are still hazy, but I’m considering a career change.”
A description of a dream or a distant memory might be described as hazy if the details are not clear.

25. Fuzzy

Fuzzy is used to describe something that is indistinct or unclear. It implies a sense of blurriness or lack of sharpness.

For example, someone might say, “My vision is fuzzy without my glasses.”
In a discussion about a complex concept, a person might say, “The details are a bit fuzzy, but I think I understand the main idea.”
A description of a feeling or emotion might be described as fuzzy if it is hard to define or articulate.

26. Fishy

When something seems suspicious or not quite right.

For example, “The way he answered the question seemed fishy to me.”
A person might say, “I’m not sure if I can trust that website, it seems a bit fishy.”
Another might comment, “The whole situation just feels fishy, I don’t think we’re getting the full story.”

27. Shady

Referring to something or someone that is suspicious or untrustworthy.

For instance, “I don’t want to get involved with that shady character.”
A person might say, “The business dealings of that company seem really shady.”
Another might comment, “I wouldn’t trust anything that person says, they’re known for their shady behavior.”

28. Leery

Being cautious or wary about something or someone.

For example, “I’m a bit leery about giving my personal information to that website.”
A person might say, “I’m feeling leery about that investment opportunity, it seems too good to be true.”
Another might comment, “I’m a little leery of trusting her after what she did in the past.”

29. Unbelievable

When something is difficult to believe or accept as true.

For instance, “The story he told was so unbelievable, I couldn’t help but doubt its veracity.”
A person might say, “The amount of money she claims to have won is unbelievable.”
Another might comment, “The fact that they finished the project in such a short amount of time is simply unbelievable.”

30. Unconvincing

When something fails to persuade or convince.

For example, “Her argument was unconvincing and didn’t change my mind.”
A person might say, “The sales pitch was unconvincing, I didn’t feel compelled to buy the product.”
Another might comment, “His excuses for being late were unconvincing, I think he was just making them up.”

31. Unpersuasive

This term refers to something that fails to convince or persuade someone. It suggests that the evidence or argument presented is weak or unconvincing.

For example, a person might say, “The speaker’s argument was unpersuasive and didn’t sway the audience.”
In a debate, one participant might criticize their opponent’s points as “unpersuasive and lacking substance.”
A reviewer might describe a movie as “unpersuasive in its attempts to create emotional impact.”

32. Unsubstantiated

This word describes a claim or statement that lacks evidence or proof. It suggests that there is no factual basis for the assertion being made.

For instance, a journalist might say, “The article contains many unsubstantiated claims and should be approached with skepticism.”
In a scientific study, researchers might conclude that a theory is “unsubstantiated by the data.”
A person might dismiss a rumor as “unsubstantiated gossip without any factual basis.”

33. Unproven

This term indicates that something has not been proven or verified. It suggests that there is insufficient evidence or testing to support a claim or hypothesis.

For example, a scientist might say, “The theory is still unproven and requires further experimentation.”
In a legal setting, a defense attorney might argue that the prosecution’s case is “based on unproven allegations.”
A person might express skepticism about a new product by saying, “I’ll wait for some reviews before buying. It’s unproven at this point.”

34. Unverified

This word describes information or claims that have not been verified or confirmed. It suggests that there is uncertainty about the accuracy or truthfulness of the information.

For instance, a news outlet might report, “The story is unverified at this time and should be treated with caution.”
In social media, users might share unverified rumors or photos without verifying their authenticity.
A person might question the reliability of an anonymous source by saying, “Their information is unverified and could be inaccurate.”

35. Unconfirmed

This term indicates that something has not been officially confirmed or validated. It suggests that there is uncertainty or doubt about the accuracy or truthfulness of the information.

For example, a spokesperson might say, “The reports of a merger are unconfirmed at this time.”
In the entertainment industry, rumors about casting choices or plot details are often left unconfirmed until official announcements are made.
A person might express skepticism about a rumor by saying, “I’ll wait for confirmed information before getting excited.”

36. Unresolved

This term refers to a situation or issue that has not been settled or determined. It implies a lack of clarity or certainty.

For example, “The case remains unresolved as new evidence continues to emerge.”
In a discussion about a controversial topic, someone might say, “There are many unresolved questions surrounding this issue.”
A person expressing uncertainty might say, “I’m still unresolved about which option to choose.”

37. Unsure

This word describes a feeling of doubt or hesitation. It indicates a lack of confidence or conviction in a particular matter.

For instance, “I’m unsure if I’ll be able to attend the event.”
In a conversation about future plans, someone might say, “I’m still unsure about what career path to pursue.”
A person expressing doubt might say, “I’m unsure if I made the right decision.”

38. Doubtful

This term suggests a lack of belief or confidence in something. It conveys a sense of uncertainty or suspicion.

For example, “I’m doubtful that he will keep his promise.”
In a discussion about a questionable claim, someone might say, “I’m highly doubtful of the accuracy of that statement.”
A person expressing skepticism might say, “I find it doubtful that such a thing could actually happen.”

39. Disputable

This word describes something that is open to discussion or argument. It implies that there are differing opinions or viewpoints on the matter.

For instance, “The topic of climate change is highly disputable.”
In a conversation about a controversial issue, someone might say, “The ethical implications of this decision are highly disputable.”
A person acknowledging differing perspectives might say, “The interpretation of this artwork is highly disputable.”