knock down

Proposed by a contributor, not yet supported by evidence.

Meaning · English

to defeat or refute an argument

Nghĩa · Tiếng Việt

Đánh bại hoặc bác bỏ một lập luận

Machine-translated — suggest a fix

Literally: to physically strike something down
Where it’s used: Used Widespread English

Examples

The lawyer was able to knock down the opponent's argument with a single question.

AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)

Sources & notes

Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-31; pending editor spot-check.

Common questions

What does “knock down” mean?

to defeat or refute an argument Literally: to physically strike something down

Is “knock down” formal or informal?

No register label has been reviewed yet — treat it as neutral and check the usage notes above.