Doubt of sufficiency, reality, or sincerity; want of confidence, faith, or reliance; as, distrust of one's power, authority, will, purposes, schemes, etc.(noun)
source: webster1913
verb (v)
regard as untrustworthy; regard with suspicion; have no faith or confidence in(verb.cognition)
To feel absence of trust in; not to confide in or rely upon; to deem of questionable sufficiency or reality; to doubt; to be suspicious of; to mistrust.(verb)