Breadcrumb Home > Thesaurus > D Synonyms of decade Find synonyms for: Noun 1. decade, decennary, decennium, time period, period of time, period usage: a period of 10 years 2. ten, 10, X, tenner, decade, large integer usage: the cardinal number that is the sum of nine and one; the base of the decimal system WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of decade (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: jingoism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language