QUASH definition: to put down or suppress completely; quell; subdue. See examples of quash used in a sentence.

There are two quash verbs in the English language, and although their meanings are similar, they have entirely different origins. Both essentially mean to get rid of something—you can quash a rumor, for …

QUASH meaning: 1. to say officially that something, especially an earlier official decision, is no longer to be…. Learn more.

1. To put down or suppress forcibly and completely: quash a rebellion. 2. To put an end to or destroy: quash a rumor; quash hopes of an agreement.

Definition of quash verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

To quash a rebellion or protest means to stop it, often in a violent way. Troops were displaying an obvious reluctance to get involved in quashing demonstrations.

Quash definition: To annul or put an end to (a court order, indictment, or court proceedings).

Nov 29, 2025 · Verb quash (third-person singular simple present quashes, present participle quashing, simple past and past participle quashed) To defeat decisively, to suppress.

WordReference Random House Learner's Dictionary of American English © 2025 quash /kwɑʃ/ v. [~ + object] to put down or suppress completely; quell; subdue: The dictator was able to quash the …

QUASH meaning: 1 : to stop (something) from continuing by doing or saying something; 2 : to decide that (a ruling, decision, etc.) is wrong and no longer valid