v. 1 disbelieve, discredit, mistrust, distrust, have misgivings (about), question, suspect I doubted his ability to beat the record 2 hesitate, waver, vacillate, fluctuate, scruple, be uncertain, entertain doubts, have reservations Who ever doubted about her honesty?
n. 3 uncertainty, hesitation, misgiving, reservation(s), qualm, anxiety, worry, apprehension, disquiet, fear He has harboured doubts about the success of the enterprise 4 distrust, mistrust, suspicion, incredulity, scepticism, dubiousness, dubiety or dubiosity, lack of faith or conviction, irresolution Her doubts about his intentions have evaporated 5 in doubt. See doubtful, below.