Baleful a. : Full of deadly or pernicious influence; destructive.

Baleful a. : Full of grief or sorrow; woeful; sad.

Example:
What is a Baleful sprite powerful in evil deeds?

Taxonomy
Merriam-Webster Online Dictionary, bale, ful, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, glossary, english, language, ESL, Search, adjective, 12th century, influence, foreboding, evil.

Defination from the web:
baleful from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Learn more about "baleful" and related topics at Britannica.com. Pronunciation Symbols. Share this entry: Link to this page: Cite this page: Products ...