Synonyms of the word

shady

• adj. Abounding in shades.
• adj. Causing shade.
• adj. Overspread with shade; sheltered from the glare of light or sultry heat.
• adj. (informal) Not trustworthy; disreputable.
• adj. (Britain, slang) Mean, cruel.

disreputable

• adj. not respectable, lacking repute; discreditable.
• n. A person who is not reputable.

fishy

• n. (childish) diminutive of fish.
• adj. Of, from, or similar to fish.
• adj. Suspicious; inspiring doubt.
• adj. (LGBT slang) Of drag queens: appearing feminine.

fly-by-night

• n. A creature which flies at night; a nocturnal flier or traveler.
• n. One who departs or flees at night in order to avoid creditors, law enforcement etc. (often used attributively).
• n. (idiomatic, derogatory) A person or business that appears and disappears rapidly, or gives an impression…
• n. (idiomatic, derogatory) A traveling businessman or tradesman.

funny

• adj. Amusing; humorous; comical.
• adj. Strange or unusual, often implying unpleasant.
• n. (humorous) A joke.
• n. (humorous) A comic strip.
• n. (Britain) A narrow boat for sculling.

louche

• adj. Of questionable taste or morality; decadent.
• adj. Not reputable or decent.
• adj. Unconventional and slightly disreputable in an attractive manner; raffish, rakish.
• v. (intransitive) Of alcoholic beverages, particularly anise-flavoured ones like absinthe and ouzo: to become…

questionable

• adj. (obsolete) Inviting questions; inviting inquiry.
• adj. Problematic; open to doubt or challenge.
• adj. Of dubious respectability or morality.

shaded

• adj. Being in the shade, not in direct light.
• adj. Having a slight colour added (of a diagram or picture) or being slightly darkened as if in the shade.
• v. simple past tense and past participle of shade.

shadowed

• v. simple past tense and past participle of shadow.

shadowy

• adj. In shadow; darkened by shadows.
• adj. (of character) Dark, obscure.

suspect

• v. (transitive) To imagine or suppose (something) to be true, or to exist, without proof.
• v. (transitive) To distrust or have doubts about (something or someone).
• v. (transitive) To believe (someone) to be guilty.
• v. (intransitive) To have suspicion.
• v. (transitive, obsolete) To look up to; to respect.
• n. A person who is suspected of something, in particular of committing a crime.
• adj. Viewed with suspicion; suspected.
• adj. (nonstandard) Viewing with suspicion; suspecting.

suspicious

• adj. Arousing suspicion.
• adj. Distrustful or tending to suspect.
• adj. Expressing suspicion.

umbrageous

• adj. Having shade; shady; having shade provided by thick foliage.
• adj. (figuratively) irritable, easily upset.

untrustworthy

• adj. Not deserving of trust; unreliable.

untrusty

• adj. Not trusty.