fishy

Adjective

• 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
    

• of or relating to or resembling fish
  • the soup had a fishy smell
    

Related words

• Synonyms: 
  funny , shady , suspect , suspicious