Americans tend to bristle even at self-censorship; we are reluctant to declare that we simply are not going to look at something.
Republicans, meanwhile, bristle with anger as they attempt to defend against the flood of new information.
She continued to bristle at being associated with the Mafia because of her father.
Old English byrst "bristle," with metathesis of -r-, from Proto-Germanic *bursti- (cf. Middle Dutch borstel, German borste), from PIE *bhrsti- from root *bhars- "point, bristle" (cf. Sanskrit bhrstih "point, spike"). With -el, diminutive suffix.
c.1200 (implied in past participle adjective bristled) "set or covered with bristles," from bristle (n.). Meaning "become angry or excited" is 1540s, from the way animals show fight. Related: Bristling.