- noxious⇄adv. noxiously.
- noxious⇄noun noxiousness.
- noxious⇄noxious, adjective.
1. very harmful; poisonous; pernicious.
Ex. Fumes from the exhaust of an automobile are noxious. Poison ivy is a noxious plant; avoid touching its leaves.
(SYN) unhealthful, deadly, unwholesome.
2. morally hur