What does cockamamie mean?
Cockamamie is an informal North American adjective used to describe ideas, plans, stories, or schemes that are ridiculous, wildly implausible, or absurdly ill-conceived. It carries a mocking, dismissive tone and is usually aimed at proposals or notions rather than at people themselves, though the implication of foolishness is clear. A journalist might write of a 'cockamamie scheme' to describe a plan so convoluted or unrealistic that it inspires more laughter than confidence. The word is a fixture of casual conversation and popular journalism, but its informality makes it unsuitable for formal contexts. Its origins are genuinely murky: the most widely cited theory derives it from a Yiddish term for a wild notion or decoy that entered American English in the mid-twentieth century, likely via New York City. Whatever its exact path, cockamamie has earned a permanent place in the American lexicon as a colorful, punchy way to brand an idea as laughably half-baked.
adjectiveRidiculous, implausible, or absurdly ill-conceived; laughably foolish.
- (of an idea, plan, or story) Ridiculously implausible or ill-conceived.
"He came up with some cockamamie scheme to pay off his debts by breeding iguanas."
"She rejected the committee's cockamamie proposal out of hand."
"The movie's plot was so cockamamie that audiences couldn't take it seriously."
Nobody knows for sure where this word came from — the leading theory traces it back to a Yiddish term for a wild idea or decoy, making it one of American English's most delightfully untraceable put-downs.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cockamamie
The origin of cockamamie is uncertain, but the prevailing theory links it to a Yiddish word denoting a wild idea or decoy, which surfaced in American English around the 1940s, particularly in New York City. It spread through mid-century American speech and journalism and remains chiefly a North American colloquialism. Because its etymology is not definitively established, no secure cognates in other languages can be confidently identified.
How cockamamie is actually used
Informal and chiefly North American. Carries a dismissive, mildly mocking tone, typically applied to plans, ideas, schemes, or explanations rather than to people directly. It is common in journalism and casual speech but would be out of place in formal writing.
Easily confused with cockamamie
Cockeyed means crooked, tilted, or askew (or drunk), while cockamamie describes an idea or plan that is absurdly foolish.