Breadcrumb Home > Thesaurus > S Synonyms of surd Find synonyms for: Noun 1. surd, voiceless consonant, consonant usage: a consonant produced without sound from the vocal cords Adjective 1. unvoiced (vs. voiced), voiceless, surd, hard, whispered usage: produced without vibration of the vocal cords; "unvoiced consonants such as `p' and `k' and `s'" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of surd (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: agitprop Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language