/ Thesaurus / G Synonyms of genus nepa Find synonyms for: Noun1. Nepa, genus Nepa, arthropod genususage: type genus of the Nepidae: typical elongate-oval water scorpionsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language