[adj] (informal) 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"
[adj] openly distrustful and unwilling to confide
Synonyms
distrustful, fishy, funny, leery, mistrustful, queer, questionable, shady, suspect, untrusting, wary