To abandon an effort or attempt. Obsolete. rare.

figurative. absol. To give up an enterprise. Obsolete. rare.

to leave (a person) the field: to concede an argument or contest to (a person); also in extended use. Similarly to leave the field to.

intransitive. To leave off; to cease from effort, leave off trying; to stop. Also, to succumb.

to call (it) quits = to cry quits at sense A. 2a; (also) to abandon a quarrel, venture, etc., esp. in order to cut one's losses.

Chiefly North American. to pull the pin: to remove the coupling mechanism of a trailer, railway wagon, etc.; (figurative) to abandon something…

In colloquial phrases: as fine as a fiddle = as fit as a fiddle. as fit as a fiddle: in good ‘form’ or condition. to hang up one's fiddle: to…

intransitive. To abandon an activity or enterprise; to stop, finish. Also: to cease to function. Cf. to pack up 6 at phrasal verbs.

intransitive. colloquial (chiefly British). = to pack in at phrasal verbs.

to cop out: to escape; to stop (work, etc.); to drop out from society; also, to give up an attempt, to evade a responsibility (chiefly North American…

Esp. to give it away. To abandon, give up, stop. Australian slang.