(p. pr. & vb. n.) of Hesitate.

agnostic ambiguous balbutient bashful boggling capricious cautious chancy changeable demurring dicey diffident doubting equivocal erratic faltering fickle halting hesitant incalculable indecisive indemonstrable irresolute jibbing modest polysemous qualmish scrupling scrupulous shilly-shallying shrinking shy skeptical squeamish stammering sticking stickling straining stumbling stuttering tentative timid touch-and-go unaccountable uncertain unconfirmable unconvinced undivinable unforeseeable unpersuaded unpredictable unprovable unsure unverifiable variable wavering whimsical