Usually means: Ridiculous, nonsensical, or implausible idea.
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We found 13 dictionaries that define the word cockamamy:

General (12 matching dictionaries)
  1. cockamamy: Merriam-Webster
  2. cockamamy: Oxford Learner's Dictionaries
  3. cockamamy: Collins English Dictionary
  4. cockamamy: Vocabulary.com
  5. cockamamy: Wordnik
  6. cockamamy: Wiktionary
  7. cockamamy: Dictionary.com
  8. Cockamamy: Wikipedia, the Free Encyclopedia
  9. cockamamy: Rhymezone
  10. cockamamy: FreeDictionary.org
  11. cockamamy: Mnemonic Dictionary
  12. cockamamy: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. cockamamy: Encyclopedia

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Definitions from Wiktionary (cockamamy)

▸ adjective:  foolish, silly
▸ adjective:  trifling

Similar:
foolish, fool, wacky, goofy, zany, silly, sappy, cockamamie, unreasonable, Jabberwocky, more...

Opposite:
sensible, logical, rational, reasonable

▸ Words similar to cockamamy

▸ Usage examples for cockamamy

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▸ Popular nouns described by cockamamy

▸ Words that often appear near cockamamy

▸ Rhymes of cockamamy

▸ Invented words related to cockamamy

Similar:
foolish, fool, wacky, goofy, zany, silly, sappy, cockamamie, unreasonable, Jabberwocky, more...

Opposite:
sensible, logical, rational, reasonable



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