Synonyms of shady in English:

shady


See US English definition of shady

See UK English definition of shady

See Spanish definition of sombreado

adjective

1‘a shady corner of the garden’

SYNONYMS
shaded, shadowy, dark, dim, sunless
sheltered, screened, covered, protected, shrouded
leafy, arboured
cool
literary bosky, bowery, tenebrous
rare umbrageous, umbriferous, Cimmerian
ANTONYMS

bright, sunny

2‘shady deals’

SYNONYMS
suspicious, suspect, questionable, dubious, doubtful, of dubious character, disreputable, untrustworthy, dishonest, dishonourable, devious, slippery, tricky, underhand, unscrupulous, irregular, potentially illegal, unethical
North American snide
informal shifty, fishy, murky
British informal dodgy
Australian, New Zealand informal shonky
ANTONYMS

reputable, honest