Cockamamy

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    foolish, silly

    "Barb Petty (Maryann Urbano): For what? You can't buy squat with smiles. Roy Petty (Jason Butler Harner): Oh my god. You gave Uncle Jack money again, didn't you? Barb Petty: Eh, he's got some cockamamy idea. I don't know."

  2. 2
    trifling
Adjective
  1. 1
    informal term for ridiculous and implausible wordnet

Synonyms

All synonyms
cockamamiecockamamie

Example

More examples

"Barb Petty (Maryann Urbano): For what? You can't buy squat with smiles. Roy Petty (Jason Butler Harner): Oh my god. You gave Uncle Jack money again, didn't you? Barb Petty: Eh, he's got some cockamamy idea. I don't know."

Etymology

From Cockamamie (a marketing term for a child's rub-on tattoo), a deliberate mispronunciation of decalcomania.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.