defiant
— Adjective
– English
~ boldly resisting authority or an opposing force; "brought up to be aggressive and defiant"; "a defiant attitude"
defiantly
— Adverb
– English
~ in a rebellious manner; "he rejected her words rebelliously"
defibrillate
— Verb
– English
~ stop the fibrillation and restore normal contractions, usually by means of electric shocks; "The patient's heart had to be defibrillated to save his life"