A bend; turn; curve; curvature; a flexure. / A bending of the knee; a genuflection. / A bent or curved part; a curving piece or portion (of anything). / (obsolete) A lock or curl of hair.

(transitive) To bend, or form into a hook. / (intransitive) To become bent or hooked. / To turn from the path of rectitude; to pervert; to misapply; to twist.

(Australia, New Zealand, slang) Bad, unsatisfactory, not up to standard. / (Australia, New Zealand, slang) Ill, sick. / (Australia, New Zealand, slang) Annoyed, angry; upset.

simple past tense and past participle of crook

Not straight; having one or more bends or angles. / Set at an angle; not vertical or square. / (figuratively) Dishonest or illegal; corrupt.

plural of crook

Third-person singular simple present indicative form of crook

present participle of crook

The act by which something is crooked.

A surname.