odd, singular, leery, doubtful, mirthful, rummy, comical, untrusting, laughable, uncertain, amusing, rum, curious, fly-by-night, equivocal, questionable, peculiar, honest, shadowy, funny, risible, queer, shadowed, comic, mistrustful, louche, shady, suspect, wary, umbrageous, suspicious
animalistic (part of speech: adjective)
improbable (part of speech: adjective)
- A curious glitter leaped into his fishy eyes. - "A Fool and His Money", George Barr McCutcheon.
- But I found that Springfield had suggested to the General that my loss of memory was very fishy- a mere blind in fact to cover up a very suspicious past. - ""The Pomp of Yesterday"", Joseph Hocking.
- Now that Teddy saw them quite close they were uglier than ever, with goggle eyes, and rough, fishy- looking skins. - "The Counterpane Fairy", Katharine Pyle.