a twist or curl, as in a thread, rope, wire, or hair, caused by its doubling or bending upon itself.

a muscular stiffness or soreness, as in the neck or back.

a flaw or imperfection likely to hinder the successful operation of something, as a machine or plan

There are still a few kinks to be worked out of the plan before we start production.

a mental twist; notion; whim or crotchet.

Slang .

bizarre or unconventional sexual preferences or behavior.

a person characterized by such preferences or behavior.

to form, or cause to form, a kink or kinks, as a rope.

noun

line , easiness , simplicity , normalcy

noun

coil , corkscrew , crimp , crinkle , curl , curve , entanglement , frizz , knot , loop , tangle , wrinkle , charley horse , cramp , crick , muscle spasm , pain , pang , pinch , stab , stitch , tweak , twinge , defect , difficulty , flaw , hitch , impediment , imperfection , eccentricity , fetish , foible , notion , peculiarity , quirk , singularity , vagary , whim , bizarre , caprice , complication , crotchet , far-out , odd , outlandish , snarl , spasm , strange , twist