adjective
- above suspicion; impossible to discredit; impeccable: unimpeachable motives.
adjective
- unquestionable as to honesty, truth, etc
adj.1784, from un- (1) “not” + impeachable. Related: Unimpeachably.
adjective
adjective
adj.1784, from un- (1) “not” + impeachable. Related: Unimpeachably.