/ Thesaurus / B Synonyms of bitter pea Find synonyms for: Noun1. bitter pea, shrub, bushusage: any of several spiny shrubs of the genus Daviesia having yellow flowers and triangular seeds; AustraliaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language