(idiomatic) An unexpected change from the way things seemed to be going. / Used other than figuratively or idiomatically: see left, turn.

(chiefly military) A command to a soldier or other person who is marching: turn ninety degrees to your left!

(intransitive, chiefly military) To turn ninety degrees to one's left, especially in response to a military command while marching.

plural of turn up

A 180-degree turn in a vehicle, where the vehicle starts in reverse and ends driving forwards so that the direction of travel remains the same.

(Christianity) To accept the teachings of Christianity or be doomed to hell.

To become obstinate or stubborn in opposition.

(dance) A ballroom dancing move in which the dancer steps backwards, shifts their weight on to the back foot, and turns on the heel of that foot while holding the other foot close and parallel to it.

(Scotland) A piece of work; assistance contributed to some endeavour.

(Jersey, Guernsey) A kind of road junction where all traffic has equal priority regardless of the direction of travel.