'Mistrustful' definitions:

Definition of 'mistrustful'

From: WordNet
adjective
Openly distrustful and unwilling to confide [syn: leery, mistrustful, suspicious, untrusting, wary]

Definition of 'Mistrustful'

From: GCIDE
  • Mistrustful \Mis*trust"ful\, a. Having or causing mistrust, suspicions, or forebodings. [1913 Webster]
  • Their light blown out in some mistrustful wood. --Shak. [1913 Webster] -- {Mis*trust"ful*ly}, adv. -- {Mis*trust"ful*ness}, n. [1913 Webster]