1. Apprehension,anxiety,misgiving imply an unsettled and uneasy state of mind. Apprehension is an active state of fear, usually of some danger or misfortune: apprehension before opening a telegram.Anxiety is a somewhat prolonged state of apprehensive worry: anxiety because of a reduced income.Misgiving implies a dubious uncertainty or suspicion, as well as uneasiness: to have misgivings about the investment.
"perception, comprehension," late 14c., from Old French apprehension or directly from Latin apprehensionem (nominative apprehensio), noun of action from past participle stem of apprehendere (see apprehend). Sense of "seizure on behalf of authority" is 1570s; that of "anticipation" (usually with dread) is recorded from c.1600.