v. 1 suspect, distrust, be suspicious of, doubt, be or feel wary or suspicious or doubtful of or about, have (one's) doubts about, question, have reservations; beware; Slang be or feel leery of or about He has not done anything specifically bad, but I mistrust his motives
n. 2 suspicion, distrust, doubt, scepticism, wariness, reservation, chariness, misgiving(s), uncertainty, unsureness, apprehension, apprehensiveness: Is there nothing I can say to dispel your mistrust of me?