| perniciously |
| banefully | (adv) in a noxiously baneful way, Syn. perniciously, Example: this banefully poisoned climate |
| insidiously | (adv) in a harmfully insidious manner, Syn. perniciously, Example: these drugs act insidiously |
| verderblich; schädlich { adv } | perniciously [Add to Longdo] |
