Source : WordNet®

fishy
     adj : 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: {funny},
            {queer}, {shady}, {suspect}, {suspicious}]
     [also: {fishiest}, {fishier}]

fishiest
     See {fishy}