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What is the Meaning of “Quash”?

Quash
/kwɒʃ/
verb C2 Tier 4 (Top 10,000 words) formal academic

To officially cancel or overturn a decision, especially in court. To end something completely and forcefully.

Definition of Quash

Quick Meaning of Quash

To officially cancel or overturn a decision, especially in court. To end something completely and forcefully.

Detailed Definition of Quash

To reject, repeal, or overturn officially (especially a legal decision); to suppress or extinguish completely; to invalidate.

How to Pronounce Quash

IPA: /kwɒʃ/
quash

Stress pattern: O (1-syllable word).

Tip: Pronounced like 'kwosh'. Stress the single syllable: KWOSH. The 'qu' sounds like 'kw' as in 'queen' or 'quick'.

Watch out: Learners may pronounce it as 'kwash' (rhyming with 'wash') or 'kway-sh'. Correct: KWOSH (rhymes with 'gosh').

Full pronunciation guide for “quash” →

Origin and Etymology of Quash

From Old French 'quasser' (to break, shatter). Possibly from Latin 'quassare' (to shake, break). Entered English in 14th century with legal meanings.

How to Use Quash in a Sentence

Each example shows “quash” with a CEFR level so learners can pick examples that match their fluency.

  • “The appellate court quashed the lower court's controversial ruling.”
    C2 formal
  • “The CEO's decision to quash the merger surprised investors.”
    C2 written
  • “Parliament voted to quash the antiquated legislation that had been in effect for decades.”
    C2 academic

Synonyms and Antonyms of Quash

Common Synonyms for Quash

Smart Synonyms for Quash — When to Use Each

overturn
Slightly more common in legal contexts; similar meaning
annul
Often used for marriages or contracts; more specific
suppress
Broader term; can mean to hold down

See all synonyms for “quash” →

Common Collocations with Quash

These phrases pair with “quash” in everyday English:

  • quash a ruling
  • quash a conviction
  • quash a decision
  • quash a rebellion
  • quash a rumor

Common Mistakes When Using Quash

Even fluent speakers slip up with “quash”. Here’s how to avoid the most common errors:

✗ Wrong: The court quashed down the ruling.
✓ Correct: The court quashed the ruling.
Why: Don't use 'down' with 'quash'. It's transitive; use 'quash + object' only.
✗ Wrong: They quashed to the rebellion.
✓ Correct: They quashed the rebellion.
Why: Use 'quash + direct object', not 'quash to'. For people, say 'quash the rebellion' not 'quash to the rebels'.
✗ Wrong: They quashes the work yesterday.
✓ Correct: They quashed the work yesterday.
Why: Use past tense form for past actions; do not add "-s" to the past tense.

Other Forms of Quash

Frequently Asked Questions About Quash

What is the meaning of "Quash"?

To officially cancel or overturn a decision, especially in court. To end something completely and forcefully.

How do you pronounce "Quash"?

The IPA is /kwɒʃ/. Pronounced like 'kwosh'. Stress the single syllable: KWOSH. The 'qu' sounds like 'kw' as in 'queen' or 'quick'.

What part of speech is "Quash"?

"Quash" is a verb at C2 level (Common European Framework).

What are synonyms for "Quash"?

Common synonyms include overturn, annul, repeal.

How do you use "Quash" in a sentence?

For example: "The appellate court quashed the lower court's controversial ruling."

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