mis*trust"ful*ness
Webster's Dictionary (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]