/ Thesaurus / P Synonyms of pipistrellus subflavus Find synonyms for: Noun1. eastern pipistrel, Pipistrellus subflavus, vespertilian bat, vespertilionidusage: one of the smallest bats of eastern North AmericaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: bibliophile Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language