characterized by defiance; boldly resistant or challenging: a defiant attitude.

Origin of defiant

1830–40; < French défiant, Old French, present participle of defier to defy; see -ant
Related formsde·fi·ant·ly, adverbde·fi·ant·ness, nounhalf-de·fi·ant, adjectivehalf-de·fi·ant·ly, adverbnon·de·fi·ant, adjectivenon·de·fi·ant·ly, adverbnon·de·fi·ant·ness, nouno·ver·de·fi·ant, adjectiveo·ver·de·fi·ant·ly, adverbo·ver·de·fi·ant·ness, nounqua·si-de·fi·ant, adjectivequa·si-de·fi·ant·ly, adverbun·de·fi·ant, adjectiveun·de·fi·ant·ly, adverb

Synonyms for defiant

Antonyms for defiant Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for undefiant



marked by resistance or bold opposition, as to authority; challenging
Derived Formsdefiantly, adverb
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

Word Origin and History for undefiant



1837, from French défiant, present participle of défier (see defy). Related: Defiantly.

Online Etymology Dictionary, © 2010 Douglas Harper