Synonyms to lethal blow

coup de grace, KO, bane, clincher, crusher, death, death knell, death stroke, deathblow, doom, end, end-all, ender, fate, final stroke, finisher, finishing stroke, kayo, kayo punch, knockout, knockout blow, last dab, quietus, settler, sockdolager, stopper, Waterloo, beating, collapse, conquering, conquest, crash, debacle, defeat, destruction, downfall, drubbing, early death, early grave, failure, fall, hiding, lambasting, lathering, licking, mastery, overcoming, overthrow, overturn, ruin, smash, stroke of death, subdual, subduing, subjugation, sudden death, thrashing, trimming, trouncing, undoing, untimely end, vanquishment, whipping, capstone, climax, copestone, crown, final touch, last stroke, las