Synonyms of the word

underhanded

• adj. Done by moving the hand (and arm) from below.
• adj. Sly, dishonest, corrupt, cheating.
• adj. Insincere; sarcastic.
• adj. Secret; surreptitious.
• adj. Understaffed.
• adv. In an underhanded manner.
• v. simple past tense and past participle of underhand.
• n. Devious people, collectively.

corrupt

• adj. In a depraved state; debased; perverted; morally degenerate; weak in morals.
• adj. Abounding in errors; not genuine or correct; in an invalid state.
• adj. In a putrid state; spoiled; tainted; vitiated; unsound.
• v. (transitive) To make corrupt; to change from good to bad; to draw away from the right path; to deprave;…
• v. (intransitive) To become putrid or tainted; to putrefy; to rot.
• v. To debase or render impure by alterations or innovations; to falsify.
• v. To waste, spoil, or consume; to make worthless.

crooked

• v. simple past tense and past participle of crook.
• adj. Not straight; having one or more bends or angles.
• adj. Set at an angle; not vertical or square.
• adj. (figuratively) Dishonest or illegal; corrupt.

sneaky

• adj. Difficult to catch due to constantly outwitting the adversaries.
• adj. Dishonest; deceitful.

underarm

• n. The armpit.
• n. (cricket) Old-fashioned and now outlawed style of bowling in which the arm is not swung over the shoulder.
• adj. For use under the arm.
• v. (transitive) To supply with insufficient weaponry.

underhand

• adj. secret; clandestine.
• adj. (by extension) dishonest and sneaky; done in a secret or sly manner.
• adj. (in various ball games, of a ball) thrown (etc.) with the hand brought forward and up from below.
• adv. with an underhand movement.
• adv. in a sly, sneaky or secret manner.
• v. To toss or lob with an underhand movement.
• v. To trick, deceive or gull.
• v. (mining) To excavate downward in successive steps or horizontal slices while positioned above on unbroken…
• n. (textiles) The lower of two hands, the hand under the work.