beneficial Antonyms

harmful damaging detrimental ruinous saddening sapping seamy self-destructive shocking ruffling risky retrospective retaliatory retaliative resistant renitent recusant pyrrhic sinister twopenny sisyphean troublesome troubling traumatic toxic touching torturous tormenting toothless threepenny threatening tactless subversionary stressful sleeveless slaughterous slanderous sixpenny purposeless punitive profitless pathological pathetic parlous overthwart oppositive opposing ominous obtrusive obstructive