Nullify: meaning, definitions and examples

Used to describe making something legally null and void or ineffective. Often found in legal, official, or formal contexts.

• The new evidence could nullify the previous court ruling.
• The contract was nullified due to fraud.

Used to describe making something not valid, generally in legal, scientific, or official contexts. It can be used for documents, procedures, or findings.

• The judge invalidated the will because it was not signed correctly.
• The new research could invalidate the old theories.

Typically used in legal or official contexts to declare something invalid from the beginning. Often used in relation to contracts, marriages, or official decisions.

• The court decided to annul the marriage due to the discovery of deceit.
• Their agreement was annulled because it was signed under duress.

Often used to describe making something completely empty or without effect, particularly in legal and formal contexts. It has a slightly more casual usage compared to others.

• The agreement was declared void due to missing signatures.
• Her ticket became void after the event was canceled.

Use this in legal or formal situations when you want to cancel or void something officially.

• The court decided to nullify the contract.
• New evidence could nullify the initial verdict.

Use this when you want to deny or undo the effect or existence of something.

• The benefits of the new system may negate its high cost.
• He tried to negate the negative impact by offering an apology.

This is best used when you want to make something ineffective or counterbalance its effect, often used in scientific or strategic contexts.

• They used a chemical to neutralize the acid spill.
• The security measures were enough to neutralize the threat.

This is appropriate when you disprove or cancel something by showing it is not correct or no longer valid.

• His research was invalidated due to incorrect data.
• The new policy will invalidate all previous agreements.