suspicious

suspicious (http://definr.com/suspicious)

     adj 1: openly distrustful and unwilling to confide [syn: leery, mistrustful,
             untrusting, wary]
     2: (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" [syn: fishy, funny,
         queer, shady, suspect]