Source : Webster's Revised Unabridged Dictionary (1913)

Mistrustful \Mis*trust"ful\, a.
   Having or causing mistrust, suspicions, or forebodings.

         Their light blown out in some mistrustful wood. --Shak.
   -- {Mis*trust"ful*ly}, adv. -- {Mis*trust"ful*ness}, n.

Source : WordNet®

mistrustfully
     adv : with distrust; "she looked at him distrustfully" [syn: {distrustfully}]
           [ant: {trustfully}]