monday-morning quarterback
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Someone who criticizes or comments on a decision after it has been made
Nghĩa · Tiếng Việt
Người chỉ trích hoặc bình luận về quyết định sau khi đã được thực hiện
Machine-translated — suggest a fix
Literally: a person giving advice on Sunday's football game on the following Monday
Where it’s used:
Used
Widespread English
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 2026-07-30; pending editor spot-check.
Common questions
What does “monday-morning quarterback” mean?
Someone who criticizes or comments on a decision after it has been made Literally: a person giving advice on Sunday's football game on the following Monday
Is “monday-morning quarterback” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.