Breadcrumb Home > Thesaurus > T Synonyms of tertiary Find synonyms for: Noun 1. Tertiary, Tertiary period usage: from 63 million to 2 million years ago Adjective 1. third, 3rd, tertiary, ordinal (vs. cardinal) usage: coming next after the second and just before the fourth in position WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of tertiary (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: majuscule Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language