[adjective] -ier, -iestA shady place is one that is sheltered from direct light from the sun.We sat on the shady grass for our picnic.(informal) A shady person or action is one that appears to be dishonest or illegal.They know some very shady characters.He was involved in shady deals in the past.
SHADY
Meaning of SHADY in English
Cambridge English vocab. Кембриджский английский словарь. 2012