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 …

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

QUASH definition: 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 from the Oxford Advanced Learner's Dictionary. quash something (law) to officially say that a decision made by a court is no longer legally acceptable or correct …

Quash means to put down, stop, extinguish, and it’s usually used to talk about ideas, feelings, or political movements. You wouldn’t quash a grape underfoot; you would squash it.

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

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. [VERB noun]

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 is wrong and no longer valid

WordReference Random House Unabridged Dictionary of American English © 2025 quash (kwosh), v.t. to put down or suppress completely; quell; subdue: to quash a rebellion. to make …