Defiant

De‐fi″ant (?), a. [Cf. F. défiant, p. pr. of défier. See Defy.] Full of defiance; bold; insolent; as, a defiant spirit or act.

In attitude stern and defiant. Longfellow.

— De‐fi″ant‐ly, adv. — De‐fi″ant‐ness, n.