Open English Wordnet
Adjectives
(a)fishyof or relating to or resembling fish“the soup had a fishy smell” (s)fishy, funny, shady, suspect, suspiciousnot 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”