Definitions

invalidate

[in-val-i-deyt] / ɪnˈvæl ɪˌdeɪt /

VERB

render null and void

Synonyms

STRONGEST

abolish abrogate annul discredit disqualify impair negate nullify overrule quash revoke undermine undo

STRONG

abate annihilate cancel counteract counterbalance negative neutralize nix offset overthrow refute unfit weaken

WEAK

X out blow sky-high circumduct disannul shoot full of holes

Antonyms

STRONGEST

aid allow approve assist establish help institute legalize permit ratify sanction support validate

STRONG

revive

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.

At that time, Infantino suggested such a move could invalidate a country's World Cup hosting rights.

From BBC • Jun. 9, 2026

Rabo itself is suing some investors and seeking to invalidate claims asserted by the bankruptcy trustee.

From The Wall Street Journal • Jun. 7, 2026

Even more fundamentally, Jay pointed out that the attorney general’s theory would invalidate Florida’s adoption laws.

From Slate • May 13, 2026

This does not invalidate gold or silver as long-term hedges.

From MarketWatch • Jan. 30, 2026

The half-broken mini blind that would surely invalidate their deposit if they ever moved out.

From "We'll Fly Away" by Bryan Bliss

Vocabulary lists containing invalidate

Red Scarf Girl

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!

Vocabulary Video Contest (2013) - List 2

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!

Far from the Tree

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!