Breadcrumb Home > Thesaurus > M Synonyms of mastoid Find synonyms for: Noun 1. mastoid, mastoid process, mastoid bone, mastoidal, process, outgrowth, appendage usage: process of the temporal bone behind the ear at the base of the skull Adjective 1. mastoid usage: of or relating to or in the region of the mastoid process 2. mastoid, mastoidal usage: relating to or resembling a nipple WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of mastoid (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