190 Fishy
(PW) suspicious, false sounding
Your company is giving you a month off from work? That sounds a bit fishy.
(free)
Informal suspicious, doubtful, or questionable their leaving at the same time looked fishy
(MW)
Pronunciation: ˈfi-shē
Function: adjective
Inflected Form(s): fish·i·er; fish·i·est
Date: 15th century
1 : of or resembling fish especially in taste or odor
2 : creating doubt or suspicion : questionable
(your)
Informal
causing doubt or suspicion; questionable fishy behavior
expressing doubt or suspicion a fishy glance