/ Thesaurus / A Synonyms of annwn Find synonyms for: Noun1. Annwfn, Annwn, imaginary place, mythical place, fictitious placeusage: (Welsh mythology) the other world; land of fairiesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language