sever, smother, get rid of, dispose of, settle, wind up, finish, dismantle, remove, put out, destroy, paralyze, jettison, close, drain, erase, ditch, cancel, cut short, abort, stop, cut off, doom, put an end to, shut down, shutter, wipe out, eradicate, annihilate, eliminate, stamp out, exhaust, abridge, conclude, use up, terminate, complete, lock up, finalize, discontinue, take down/out, shorten (a trip), abandon (an effort), bring to a close, end, finish off/up, tie up (loose ends), padlock, batten the hatch, rub out, unsubscribe

fold, perish, die, fall out of favor, dissipate, peter out, subside, cut short, derail, disintegrate, come to a halt, fizzle, lapse, expire, fall away, wind down, last, drop away, come to an end, cease to exist, run its course, run out of steam, play itself out, close its doors, draw to a close

chuck, finish, unseat, scuttle, close, sabotage, retract, abort, resign, annul, halt, squelch, prohibit, withdraw, put an end to, phase out, stamp out, truncate, conclude, cap, terminate, finalize, wrap up, end, draw to a close, cut short/off, put to rest, shut down (a business), complete (a contract/a term), mark (the last time)

break off, wind up, step away (from), jettison, close, ditch, skip town, quit, stand down, give up, withdraw, abstain, lose interest, postpone, cease, knock off, retire, lie down, close (one's eyes), go home, abandon (a deal)