Definitions

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.

Anything less would deprive them of due process and nullify the Convention Against Torture.

From Slate • Feb. 28, 2026

The goal of the bill is not to nullify Newsom’s order, Toppin said.

From Los Angeles Times • Feb. 22, 2026

Perhaps for Sunderland it was more about getting into the heads of their opponents, to signal they were trying to find ways to nullify a particular threat.

From BBC • Nov. 22, 2025

The introduction of robotic caregivers doesn’t nullify this responsibility but makes it more urgent.

From The Wall Street Journal • Nov. 14, 2025

I wasn’t sure why, but they loved pointing out to me that they could already see an inch of my hair, like maybe that would be enough to nullify the whole thing.

From "A Very Large Expanse of Sea" by Tahereh Mafi

Vocabulary lists containing nullify

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100 SAT Words Beginning with "N"

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Dear Martin

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