Synonyms: fishy, funny, shady, suspect, suspicious
Definition: not as expected
Usage: 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
Similar words: questionable
Definition: subject to question
Usage: questionable motives; a questionable reputation; a fire of questionable origin
Synonyms: leery, suspicious, mistrustful, untrusting, wary
Definition: openly distrustful and unwilling to confide
Similar words: distrustful
Definition: having or showing distrust
Usage: a man of distrustful nature; my experience...in other fields of law has made me distrustful of rules of thumb generally- B.N.Cardozo; vigilant and distrustful superintendence- Thomas Jefferson