- baneful⇄adv. banefully.
- baneful⇄baneful, adjective.
1. causing harm or destruction; injurious.
Ex. Air pollution has a baneful effect on trees.
(SYN) bad, evil, pernicious.
2. destroying life; deadly.
Ex. a baneful poison.
(SYN) fatal, lethal. - baneful⇄noun banefulness.