Breadcrumb Home > Thesaurus > S Synonyms of sos Find synonyms for: Noun 1. SOS, distress signal, distress call usage: an internationally recognized distress signal in radio code Noun 1. SOS, distress signal, distress call usage: the syllable naming the fifth (dominant) note of any musical scale in solmization WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of sos (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: recherch Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language