Breadcrumb Home > Thesaurus > S Synonyms of senna Find synonyms for: Noun 1. senna, shrub, bush usage: any of various plants of the genus Senna having pinnately compound leaves and showy usually yellow flowers; many are used medicinally WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of senna (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: apotheosis Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language