/ Thesaurus / F Synonyms of forty niner Find synonyms for: Noun1. forty-niner, gold miner, gold digger, gold pannerusage: a miner who took part in the California gold rush in 1849Adjective1. forty-nine, 49, il, cardinal (vs. ordinal)usage: being nine more than fortyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: grimace Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language