Alastor

noun

Alas·​tor

ə-ˈla-stər,

-ˌstȯr

plural -s

: any of certain avenging deities or spirits especially in Greek antiquity

Word History

Etymology

Greek alastōr, from a- a- entry 2 + -lastōr (probably from lan to look); akin to Sanskrit lasati he shines

First Known Use

1603, in the meaning defined above

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!