Distrustful \Dis*trust"ful\, a. 1. Not confident; diffident; wanting confidence or thrust; modest; as, distrustful of ourselves, of one's powers. [1913 Webster] Distrustful sense with modest caution speaks. --Pope. [1913 Webster] 2. Apt to distrust; suspicious; mistrustful. --Boyle. -- {Dis*trust"ful*ly}, adv. -- {Dis*trust"ful*ness}, n. [1913 Webster]