v. 1 mistrust, doubt, question, be sceptical of, be circumspect or cautious about, suspect, be suspicious or wary of, discredit, disbelieve, Colloq smell a rat; Colloq be leery of I distrusted her motives from the very beginning
n. 2 mistrust, doubt, doubtfulness, uncertainty, misgiving(s), scepticism, suspicion, disbelief, incredulity, incredulousness, hesitation, caution, wariness, qualm, hesitancy His claims were greeted with distrust