Breadcrumb Home > Thesaurus > I Synonyms of invertebrate Find synonyms for: Noun 1. invertebrate, animal, animate being, beast, brute, creature, fauna usage: any animal lacking a backbone or notochord; the term is not used as a scientific classification Adjective 1. invertebrate (vs. vertebrate), spineless usage: lacking a backbone or spinal column; "worms are an example of invertebrate animals" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of invertebrate (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: rort Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language