[adj] openly distrustful and unwilling to confide
distrustful, mistrustful, suspicious, untrusting, wary
agnostic, cagey, careful, cautious, chary, disinclined to believe, disposed to doubt, distrustful, doubtful, doubting, dubious, from Missouri, guarded, hard of belief, impervious to persuasion, in doubt, inconvincible, incredulous, mistrustful, mistrustin