Synonyms of mistrustful

2 Syllables
jealous, dubious, cautious, fearful, show-me, doubtful, wary, cagey, leery, doubting, chary, uptight
3 Syllables
jellyfish, skeptical, unsure, untrusting, cynical, uneasy, butterflies, untrusty, suspicious, distrustful
4 Syllables
scaredy-cat, possessory, unconvinced, disbelieving, incredulous, unbelieving, nonbelieving
5 Syllables
apprehensive