Top 29 Slang For Unbreakable – Meaning & Usage

When it comes to describing something that’s truly indestructible, finding the right words can be tough. But fear not, because we’ve got you covered with the ultimate list of slang for “unbreakable.” From everyday objects to unshakeable attitudes, we’ve rounded up the coolest and most fitting terms that will have you feeling invincible in no time. So buckle up and get ready to explore a whole new world of vocabulary that screams resilience and strength!

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1. Bulletproof

This term refers to something that is extremely strong and resistant to damage or failure. It is often used metaphorically to describe a person’s character or abilities.

  • For example, “She has a bulletproof work ethic, always delivering high-quality results.”
  • In a discussion about a sports team, someone might say, “Their defense is like a bulletproof wall, impossible to penetrate.”
  • A person might describe a reliable product by saying, “This phone case is practically bulletproof, protecting your device from any drops or accidents.”

2. Indestructible

This word describes something that cannot be destroyed or damaged, no matter how hard it is tried. It is often used to emphasize the strength or durability of an object or person.

  • For instance, “The superhero’s suit is made of indestructible material, rendering him impervious to any attacks.”
  • In a conversation about a toy, someone might say, “This action figure is practically indestructible, perfect for rough play.”
  • A person might describe their friendship by saying, “We’ve been through so much together, our bond feels indestructible.”

3. Invincible

This term describes someone or something that is incapable of being defeated or overcome. It is often used to convey a sense of unbeatable strength or invulnerability.

  • For example, “The champion boxer seemed invincible, knocking out every opponent he faced.”
  • In a discussion about a video game character, someone might say, “With all those power-ups, he’s practically invincible.”
  • A person might describe their confidence by saying, “I feel invincible when I’m on stage, nothing can bring me down.”

4. Unyielding

This word describes something that is firm, unwavering, and resistant to change or compromise. It is often used to describe a person’s determination or a situation that cannot be altered.

  • For instance, “His unyielding commitment to his goals is truly admirable.”
  • In a discussion about a difficult task, someone might say, “We need an unyielding approach to overcome this challenge.”
  • A person might describe a strict rule by saying, “The company has an unyielding policy against tardiness.”

5. Impenetrable

This term describes something that is completely resistant to being penetrated, entered, or understood. It is often used to describe physical barriers or abstract concepts that are difficult to comprehend.

  • For example, “The fortress had walls made of impenetrable steel, making it impossible for enemies to breach.”
  • In a conversation about a complex theory, someone might say, “The concept is so abstract, it feels impenetrable.”
  • A person might describe their emotions by saying, “I keep my true feelings hidden behind an impenetrable facade.”

6. Unassailable

This term is used to describe something that cannot be attacked, questioned, or defeated. It implies a sense of absolute strength and security.

  • For example, “His argument was unassailable; no one could find a flaw in his reasoning.”
  • In a sports context, a commentator might say, “The team’s defense is unassailable; they haven’t allowed a single goal all season.”
  • A person might describe a fortress as “unassailable” if it is impervious to enemy attacks.

7. Unshakable

This word describes something or someone that cannot be disturbed, influenced, or changed. It suggests a firm and unwavering determination or belief.

  • For instance, “She remained unshakable in her decision to pursue her dreams, despite facing numerous obstacles.”
  • In a crisis, a leader might display unshakable resolve and inspire others to stay strong.
  • A person might describe their faith as unshakable, meaning it cannot be shaken or doubted.
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8. Rock-solid

This term refers to something that is extremely strong, reliable, or dependable. It implies a high level of stability and durability.

  • For example, “Their friendship is rock-solid; they have been there for each other through thick and thin.”
  • A person might describe a reliable car as “rock-solid” if it consistently performs well and requires minimal maintenance.
  • In a business context, a company with a strong financial foundation might be described as “rock-solid.”

9. Steel-plated

This phrase is used to describe something that is protected or fortified with a layer of steel. It suggests a high level of resistance and protection against external forces.

  • For instance, “The armored vehicle was steel-plated to withstand bullets and explosions.”
  • In a metaphorical sense, a person might describe themselves as “steel-plated” if they have a strong emotional or mental resilience.
  • A person might describe a secure computer system as “steel-plated” if it is highly resistant to hacking or unauthorized access.

10. Ironclad

This term describes something that is extremely strong and cannot be broken, breached, or violated. It implies a high level of certainty and reliability.

  • For example, “The contract had ironclad clauses that protected both parties from any potential disputes.”
  • In a legal context, an ironclad case refers to one that is strong and difficult to challenge.
  • A person might describe their commitment to a cause as ironclad, meaning it is unwavering and steadfast.

11. Fortified

When something is fortified, it means it has been reinforced or made stronger to withstand pressure or damage.

  • For example, “The walls of the castle were fortified to protect against invaders.”
  • A person might say, “I fortified my home by installing a security system and reinforced doors.”
  • In a metaphorical sense, someone might say, “I fortified myself with a good breakfast before the big race.”

12. Solid as a rock

When something is described as solid as a rock, it means it is sturdy, reliable, and unbreakable.

  • For instance, “His friendship is solid as a rock; he’s always there for me.”
  • A person might say, “I trust this company because their reputation is solid as a rock.”
  • In a physical sense, someone might say, “This table is solid as a rock; it can hold a lot of weight.”

13. Tough as nails

When someone is described as tough as nails, it means they are extremely strong, both physically and mentally, and can withstand difficult situations.

  • For example, “She’s tough as nails; she never gives up no matter what.”
  • A person might say, “You have to be tough as nails to survive in this competitive industry.”
  • In a physical sense, someone might say, “He’s tough as nails; he can lift heavy weights without breaking a sweat.”

14. Unbreakable

When something is unbreakable, it means it cannot be broken or destroyed, no matter how much force is applied.

  • For instance, “This unbreakable glass is designed to withstand extreme temperatures and impacts.”
  • A person might say, “Their bond is unbreakable; they’ve been through so much together.”
  • In a metaphorical sense, someone might say, “She has an unbreakable spirit; nothing can bring her down.”

15. Secure as Fort Knox

When something is described as secure as Fort Knox, it means it is highly secure and well-protected, just like the famous United States Bullion Depository.

  • For example, “The data stored in this system is as secure as Fort Knox; it’s nearly impossible to breach.”
  • A person might say, “I feel secure as Fort Knox with this state-of-the-art security system installed in my home.”
  • In a metaphorical sense, someone might say, “His job is secure as Fort Knox; he’s highly valued by the company and has job stability.”

16. Armored

This term is used to describe something or someone that is well-protected or has a strong defense. It can also refer to physical objects that have a protective layer or covering.

  • For example, “He has an armored heart, nothing can break it.”
  • In a discussion about security measures, someone might mention, “An armored vehicle is essential for transporting valuable goods.”
  • A person describing their personality might say, “I have an armored exterior, but I’m soft on the inside.”

17. Resilient

This word is used to describe something or someone that is able to recover quickly from difficult situations or adapt to changes. It implies strength and flexibility in the face of adversity.

  • For instance, “She’s been through so much, but she’s still resilient.”
  • In a discussion about overcoming obstacles, someone might say, “Resilience is key to success.”
  • A person describing a material might say, “This fabric is incredibly resilient, it can withstand a lot of wear and tear.”

18. Sturdy

This term is used to describe something or someone that is strong, solid, and reliable. It implies durability and the ability to withstand pressure or force.

  • For example, “The table is made of sturdy oak.”
  • In a discussion about furniture, someone might say, “Invest in a sturdy chair that will last for years.”
  • A person describing a building might say, “The foundation is sturdy, it can withstand earthquakes.”

19. Unwavering

This word is used to describe something or someone that does not change or falter. It implies a steadfast and resolute nature.

  • For instance, “Her support for him is unwavering.”
  • In a discussion about loyalty, someone might say, “A true friend is unwavering in their support.”
  • A person describing their beliefs might say, “My faith in this cause is unwavering, I will fight for it until the end.”

20. Unconquerable

This term is used to describe something or someone that cannot be overcome or defeated. It implies an unbeatable or indomitable quality.

  • For example, “Her spirit is unconquerable, she always bounces back.”
  • In a discussion about sports, someone might say, “They have an unconquerable spirit, they never give up.”
  • A person describing a challenge might say, “The mountain is unconquerable, only the bravest attempt to climb it.”

21. Unbeatable

This word refers to something or someone that cannot be defeated or surpassed. It is often used to describe a person’s skills, abilities, or a situation that is extremely difficult to overcome.

  • For example, a sports commentator might say, “The team’s defense is unbeatable, no one can score against them.”
  • In a video game, a player might boast, “I have an unbeatable strategy that always leads me to victory.”
  • A person might describe their favorite superhero as, “Unbeatable in both strength and intelligence.”

22. Inviolable

This term describes something that is unable to be violated or broken. It is often used to refer to rules, principles, or rights that are considered sacred and must not be infringed upon.

  • For instance, a person might say, “Freedom of speech is an inviolable right that should be protected.”
  • In a discussion about ethics, someone might argue, “The principle of consent is inviolable when it comes to medical procedures.”
  • A person might describe a secret as, “Inviolable, it cannot be revealed under any circumstances.”

23. Unflinching

This word describes someone who remains steadfast and unwavering in the face of challenges or adversity. It is often used to describe a person’s courage, determination, or resolve.

  • For example, a war veteran might be described as “unflinching in the face of danger.”
  • In a difficult situation, someone might say, “We need an unflinching leader who can make tough decisions.”
  • A person might describe their own resolve as, “I am unflinching in my pursuit of success.”

24. Unmovable

This term refers to something or someone that cannot be moved or swayed. It is often used to describe a person’s unwavering commitment, loyalty, or determination.

  • For instance, a friend might say, “She is unmovable in her support for social justice.”
  • In a negotiation, someone might describe a stubborn person as, “Unmovable, they refuse to compromise.”
  • A person might describe their principles as, “Unmovable, I will never compromise my values.”

25. Unalterable

This word describes something that cannot be changed or altered. It is often used to refer to rules, laws, or conditions that are fixed and cannot be modified.

  • For example, a person might say, “The laws of nature are unalterable, they govern the universe.”
  • In a discussion about history, someone might argue, “The impact of certain events is unalterable, it shaped the course of human civilization.”
  • A person might describe a fact as, “Unalterable, it remains true regardless of opinion or belief.”

26. Unbreakable bond

An unbreakable bond refers to a relationship or connection between two or more people that is extremely strong and cannot be broken. It implies a deep level of trust, loyalty, and support.

  • For example, “The unbreakable bond between a mother and her child is often seen as the strongest bond of all.”
  • In a discussion about friendship, someone might say, “We have an unbreakable bond that has lasted for years.”
  • A person might describe their relationship with their pet as an unbreakable bond, saying, “My dog and I have an unbreakable bond. He’s always there for me.”

27. Unbending

Unbending refers to a person’s attitude or behavior that is inflexible and unwavering. It implies a strong determination and refusal to compromise or give in.

  • For instance, “He has an unbending belief in justice and will fight for what he believes is right.”
  • In a discussion about leadership, someone might say, “A good leader needs to be strong and unbending in their principles.”
  • A person might describe their own character as unbending, saying, “I have an unbending willpower and never give up easily.”

28. Unfaltering

Unfaltering refers to something that is consistent and unwavering, without any signs of hesitation or doubt. It implies a steady and reliable nature.

  • For example, “His unfaltering dedication to his work is truly impressive.”
  • In a discussion about relationships, someone might say, “She has shown unfaltering support for her partner through thick and thin.”
  • A person might describe their commitment to a cause as unfaltering, saying, “I have unfaltering determination to make a difference in the world.”

29. Unflagging

Unflagging refers to a person’s energy or effort that is constant and tireless, without any signs of slowing down or giving up. It implies a persistent and determined nature.

  • For instance, “Her unflagging enthusiasm for her job is contagious.”
  • In a discussion about motivation, someone might say, “You need unflagging determination to achieve your goals.”
  • A person might describe their own work ethic as unflagging, saying, “I have unflagging dedication to my studies.”