"characterized by bold opposition or antagonism," 1837, from French défiant, present participle of défier "to challenge, defy, provoke" (see defy). Related: Defiantly. Compare diffident.
a defiant attitude
brought up to be aggressive and defiant
deferential
deferment
deferral
deferred
defiance
defiant
defibrillation
defibrillator
deficiency
deficient
deficit
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