Fishy:

adj., -i\xb7er, -i\xb7est.
1.Resembling or suggestive of fish, as in taste or odor.
2.Cold or expressionless: a fishy stare.
3.Informal. Inspiring doubt or suspicion: Something is fishy
about the accident.

adjective
Of dubious character: doubtful, equivocal, questionable, shady, suspect, suspicious, uncertain. See honest/dishonest.

adj
Definition: doubtful, suspicious
Antonyms: aboveboard, doubtless, honest, likely, probable, real, truthful, unquestionable, unsuspicious

Meaning #1: (informal) not as expected
Synonyms: funny, queer, shady, suspect, suspicious

Fishy Dansk (Danish)
adj. - fiskeagtig, fiske-, ford\xe6gtig, glansl\xf8s

Nederlands (Dutch)
verdacht, visachtig, rijk aan vis, bestaand uit vis

Fran\xe7ais (French)
adj. - de poisson (une odeur), (fig) louche, douteux

Deutsch (German)
adj. - fischartig, verd\xe4chtig

Ελληνική (Greek)
adj. - ψαρικός,