[ daf-ee ]
See synonyms for daffy on Thesaurus.com
adjective,daf·fi·er, daf·fi·est.Informal.
  1. silly; weak-minded; crazy.

Origin of daffy

1880–85; daff (obsolete; see daff1) + -y1

Other words from daffy

  • daf·fi·ly, adverb
  • daf·fi·ness, noun

Words Nearby daffy

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use daffy in a sentence

  • Oh, mother, you're daffy about the Rexhills, why not admit it and be done with it?

    Hidden Gold | Wilder Anthony
  • Conservation that does not make use of resources rapidly going to waste is Conservation gone daffy.

  • Mike grinned, remembering the time he had driven a robot brain daffy by bluffing it at poker.

    Unwise Child | Gordon Randall Garrett
  • "You have the air of a daffy young Englishman just arrived in the Colonies to make your fortune," she said.

    The Pioneers | Katharine Susannah Prichard
  • Are you clean daffy, doin' a barn dance around that rusty capstan, makin' a noise fit to frighten the fish?

    Captain Scraggs | Peter B. Kyne

British Dictionary definitions for daffy


/ (ˈdæfɪ) /

adjectivedaffier or daffiest
  1. informal another word for daft (def. 1), daft (def. 2)

Origin of daffy

C19: from obsolete daff fool; see daft

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012