Irrefutable: meaning, definitions and examples

Typically used when evidence or argument is so strong that it cannot be denied or disproved.

• The scientist presented irrefutable evidence to back her claim.
• His alibi was irrefutable, proving he was nowhere near the crime scene.

Used when something is obviously true and cannot be denied, often with an emphasis on the clarity or obviousness of the fact.

• There is an undeniable chemistry between the two actors.
• The impact of climate change is undeniable.

Used when something is completely certain and cannot be challenged or disputed, often in legal or formal contexts.

• The will was declared incontestable by the court.
• Her victory in the competition was incontestable, having won by a large margin.

Used when something is clearly true and cannot be denied. Slightly softer than 'irrefutable', but still very convincing.

• The data provided an indisputable fact that the planet is warming.
• It is indisputable that she is one of the finest athletes of our time.

Use this word when you want to emphasize that evidence or an argument is impossible to disprove or deny.

• The lawyer presented irrefutable proof of the defendant's innocence.
• Her research provided irrefutable evidence that climate change is happening.

This word is used to describe something that is beyond doubt or not open to question.

• His contribution to the project was unquestionable and crucial to our success.
• The safety measures in place are unquestionable.

This word works well when you are stressing absolute certainty or a lack of doubt about something.

• The indubitable truth of the matter is that we need to act now.
• His indubitable honesty is what makes him so respected.

This term is best for describing something that cannot be attacked, questioned, or defeated.

• Her position as the team leader is unassailable due to her extensive experience.
• The castle was built on a hill and was considered unassailable.