Breadcrumb Home > Thesaurus > D Synonyms of decibel Find synonyms for: Noun 1. decibel, dB, sound unit usage: a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of decibel (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: sangfroid Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language