a. 1. Not trustful or trusting. [ 1913 Webster ]
2. Not to be trusted; not trusty. [ R. ] Sir W. Scott. [ 1913 Webster ]
a. Not truthful; unveracious; contrary to the truth or the fact. -- Un*truth"ful*ly, adv. -- Un*truth"ful*ness, n. [ 1913 Webster ]