shady

Adjective

• filled with shade
  • the shady side of the street
    
  • the surface of the pond is dark and shadowed
    
  • we sat on rocks in a shadowy cove
    
  • cool umbrageous woodlands
    

• 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 questionable taste or morality
  • a louche nightclub
    
  • a louche painting
    

• (of businesses and businessmen) unscrupulous
  • a shady operation
    

Related words

• Synonyms: 
  shadowed , shadowy , umbrageous , fishy , funny , suspect , suspicious , louche , fly-by-night