from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Causing harm or mischief; injurious; destructive.
from The Century Dictionary and Cyclopedia
- Causing harm or mischief; injurious; destructive. Also scathful.
From Middle English *scatheful (attested in derivative unnskaþefull), from Old English sceaþful ("hurtful"), equivalent to scathe + -ful. Cognate with Scots scathfull, scaithful ("harmful, hurtful, injurious, damaging"). (Wiktionary)