Full of knots; knotty. / Tied in knots. / Tangled, tangly, knotty, entangled, matted, snarled, unkempt, or uncombed. / Having the shape or form of a knot.

simple past tense and past participle of knot

(slang) A casual outdoor sexual encounter (commonly with a prostitute), usually in an alleyway or against a wall, with the man standing and the woman's knees raised.

The antics or tricks of a knave; boyish mischief. / An unprincipled action; deceit.

The medical condition genu valgum

A knot used to securely tie two pieces of rope together, or to reef sails.

plural of knuckle

Third-person singular simple present indicative form of knuckle

A weapon consisting of a metal reinforcement for the clenched fist, with finger holes molded in.

(US, archaic) A nickname for a man employed for his fistfighting skill.