/ Thesaurus / F Synonyms of first mortgage Find synonyms for: Noun1. first mortgage, mortgageusage: a mortgage that has priority over all mortgages and liens except those imposed by lawWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language