suspicious

adjectives

openly distrustful and unwilling to confide
leery, mistrustful, suspicious, untrusting, wary
is derived from
suspicion
is derived from
suspiciousness
not as expected
"there was something fishy about the accident"; "up to some funny business"; "some definitely queer goings-on"; "a shady deal"; "her motives were suspect"; "suspicious behavior"
fishy, funny, shady, suspect, suspicious
is derived from
suspiciousness