simple past tense and past participle of turn king's evidence

simple past tense and past participle of turn the air blue

simple past tense and past participle of turn someone's head

(literally) A turn in a vehicle carried out by driving in a semicircle in order to travel in the opposite direction. / (figuratively) A reversal of policy; an about-face, a backflip.

To turn a vehicle in a semicircle so as to face the opposite direction. / (intransitive) To shift from one opinion or decision to its opposite.

(idiomatic) A good deed; a thoughtful or selfless act.

(transitive, idiomatic) To rebel or oppose to something formerly supported. / (transitive, intransitive) To set against or in opposition to something.

Used other than figuratively or idiomatically: see turn, over. / To flip over; to rotate uppermost to bottom. / (transitive, idiomatic) To relinquish; give back. / (transitive, idiomatic) To transfer.

(intransitive, copulative) To show up; to appear suddenly or unexpectedly. / (transitive) To cause to appear; to find by searching, etc.

Alternative spelling of turn-up