Breadcrumb Home > Thesaurus > G Synonyms of gibberellin Find synonyms for: Noun 1. gibberellin, phytohormone, plant hormone, growth regulator usage: a plant hormone isolated from a fungus; used in promoting plant growth WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of gibberellin (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: lacuna Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language