Synonyms and related words :
abandon, abdicate, abjure, abort, acknowledge defeat, belay, break the habit, cancel, cease, cede, come off, cry quits, cut it out, cut out, desist, desist from, discontinue, disuse, drop, drop it, end, forgo, forswear, give over, give up, halt, hand over, have done with, hold, kick, knock it off, lay down, lay off, let go, nol-pros, not pursue with, put behind one, quit, refrain, relinquish, renounce, resign, scrub, shake, stay, stop, surrender, swear off, terminate, throw off, throw up, waive, yield