/ Thesaurus / S Synonyms of smooth darling pea Find synonyms for: Noun1. smooth darling pea, Swainsona galegifolia, darling pea, poison bushusage: erect or trailing perennial of eastern Australia having axillary racemes of blue to purple or red flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language