DISTRUSTFUL
distrustful
(adjective) having or showing distrust; “a man of distrustful nature”; “my experience...in other fields of law has made me distrustful of rules of thumb generally”- B.N.Cardozo; “vigilant and distrustful superintendence”- Thomas Jefferson
Source: WordNet® 3.1
Etymology
Adjective
distrustful (comparative more distrustful, superlative most distrustful)
(active sense) Experiencing distrust, showing distrust, wary, sceptical, suspicious, doubtful.
(passive sense) Causing or giving rise to distrust.
Source: Wiktionary
Dis*trust"ful, a.
1. Not confident; diffident; wanting confidence or thrust; modest;
as, distrustful of ourselves, of one's powers.
Distrustful sense with modest caution speaks. Pope.
2. Apt to distrust; suspicious; mistrustful. Boyle.
– Dis*trust"ful*ly, adv.
– Dis*trust"ful*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition