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.

"Attackers crowd the goalkeeper hoping to nullify his movement and effectiveness," Cann explained.

From BBC • Mar. 2, 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

Now, Greenpeace is trying to get a Dutch court to nullify the jury award, which the trial judge reduced to $345 million in October.

From The Wall Street Journal • Dec. 5, 2025

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

From Slate • Nov. 10, 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

Tangerine

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

100 SAT Words Beginning with "N"

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Dear Martin

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!