nullify

[nuhl-uh-fahy] / ˈnʌl əˌfaɪ /

VERB

cancel, revoke

Synonyms

STRONGEST

abolish abrogate annul invalidate negate offset quash repeal rescind restrict torpedo undo veto void wipe out

STRONG

abate annihilate ax compensate confine counteract counterbalance countervail kill limit neutralize renege scratch scrub squash trash vitiate zap

WEAK

blue pencil bring to naught call all bets off disannul forget it render null and void stamp out take out wash out

Antonyms

STRONGEST

allow approve enact establish institute keep legalize permit ratify sanction support validate

STRONG

aid assist free help let go release revive save schedule set up

WEAK

affirm pass sanctify

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The possibility the Supreme Court could nullify some import taxes has added to the uncertainty.

From The Wall Street Journal • Feb. 3, 2026

They intend to bleed, to delay, to nullify by exhaustion what they can’t defeat by argument.

From The Wall Street Journal • Jan. 11, 2026

Flanker Sam Underhill said England will face a tough challenge to nullify New Zealand's attacking threats.

From BBC • Nov. 10, 2025

But the multitrillion-dollar Google may be able to nullify that soon.

From Slate • Nov. 10, 2025

I pitied him and did not argue with him, for I knew that persuasion would not nullify his fears.

From "Black Boy" by Richard Wright