Shady1. (superl.) Abounding in shade or shades; overspread with shade; causing shade.
2. (superl.) Sheltered from the glare of light or sultry heat.
3. (superl.) of or pertaining to shade or darkness; hence, unfit to be seen or known; equivocal; dubious or corrupt.
Thesaurus Entries
amoral, bent, blue, bosky, broad, clouded, conscienceless, corrupt, corrupted, criminal, crooked, curtained, dark, darkling, derogatory, devious, discreditable, disgraceful, dishonest, dishonorable, disreputable, doubtful, dubious, dusky, equivocal, evasive, felonious, fishy, fraudulent, ignoble, ignominious, ill-got, ill-gotten, immoral, indecisive, indefinite, indirect, indistinct, infamous, inglorious, insidious, not kosher, notorious, obumbrate, obumbrated, off-color, overshaded, overshadowed, penumbral, purple, questionable, racy, rotten, salty, screened, seamy, shabby, shaded, shadow, shadowy, shameful, shameless, sheltered, shifty, shoddy, sinister, slippery, sordid, spicy, suggestive, suspect, suspicious, tricky, umbral, uncertain, unconscienced, unconscientious, unconscionable, undecided, underhand, underhanded, unethical, unpraiseworthy, unprincipled, unreliable, unrespectable, unsavory, unscrupulous, unstraightforward, veiled, wicked, without remorse, without shame