adj. 25B6; adjective
a shady garden : SHADED, shadowy, dim, dark; sheltered, screened, shrouded; leafy; poetic/literary bosky, tenebrous.
(informal) shady deals : SUSPICIOUS, suspect, questionable, dubious, doubtful, disreputable, untrustworthy, dishonest, dishonourable, devious, underhand, unscrupulous, irregular, unethical; N. Amer. snide; informal fishy, murky; Brit. informal dodgy; Austral./NZ informal shonky.
bright, honest.