Breadcrumb Home > Thesaurus > W Synonyms of weird sister Find synonyms for: Noun1. Norn, weird sister, Norse deityusage: (Norse mythology) any of the three goddesses of destiny; identified with Anglo-Saxon Wyrd; similar to Greek Moirae and Roman ParcaeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: legerdemain Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language