accomplishing Antonyms

bombing slowing ruining retiring retarding retaining restraining remaining regressing quitting quelling persisting pausing opening miscarrying marring smothering spoiling wrecking waiting trammelling trammeling thwarting tarrying suppressing subduing stunting stopping stifling stemming staying starting stalling losing lingering limiting departing defacing debasing dampening curbing crippling crashing ceasing buckling blundering blotting blocking blighting biding