Breadcrumb Home > Thesaurus > P Synonyms of prosiness Find synonyms for: Noun1. prosiness, prosaicness, commonness, commonplaceness, everydaynessusage: commonplaceness as a consequence of being humdrum and not excitingWordNet 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