/ Thesaurus / O Synonyms of old icelandic Find synonyms for: Noun1. Old Icelandic, Old Norseusage: the extinct dialect of Old Norse that was spoken in Iceland up until about 1600WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language