(1):
(v. t.) To suspect; to fear; to be apprehensive of.
(2):
(v. i.) Uncertainty of condition.
(3):
(v. i.) To suspect; to fear; to be apprehensive.
(4):
(v. t.) To fill with fear; to affright.
(5):
(v. i.) Difficulty expressed or urged for solution; point unsettled; objection.
(6):
(v. t.) To question or hold questionable; to withhold assent to; to hesitate to believe, or to be inclined not to believe; to withhold confidence from; to distrust; as, I have heard the story, but I doubt the truth of it.
(7):
(v. i.) Suspicion; fear; apprehension; dread.
(8):
(v. i.) To waver in opinion or judgment; to be in uncertainty as to belief respecting anything; to hesitate in belief; to be undecided as to the truth of the negative or the affirmative proposition; to b e undetermined.
(9):
(v. i.) A fluctuation of mind arising from defect of knowledge or evidence; uncertainty of judgment or mind; unsettled state of opinion concerning the reality of an event, or the truth of an assertion, etc.; hesitation.