armchair Idiom, Proverb
Armchair critic
An armchair critic is someone who offers advice but never shows that they could actually do any better.
armchair
armchair
armchair quarterback
or
a person who is not a quarterback (or general, etc.), but offers opinions and criticism on the performance or decisions of those who are
An armchair idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with armchair, allowing users to choose the best word for their specific context.
Dictionary of similar words, Different wording, Synonyms, Idioms for Idiom, Proverb armchair