Breadcrumb Home > Thesaurus > T Synonyms of tuatara Find synonyms for: Noun 1. tuatara, Sphenodon punctatum, diapsid, diapsid reptile usage: only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of tuatara (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: panache Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language