Home › Words › C › centenniumcentenniumcentennium means synonym of century: A period of 100 years.EtymologyFrom Late Latin centennium (“period of 100 years”), from centennis (“100-year”) + -ium (“forming abstract nouns”). Cognate with centennial.nounSynonym of century: A period of 100 years.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.centimillennium 76% match — A period of time consisting of one hundred thousand years. vs centennium →decennium 74% match — Synonym of decade: a ten year period. vs centennium →centurial 74% match — Of or pertaining to a century.; Of or pertaining to a century of years. vs centennium →centenary 74% match — Of or related to the number one hundred, particularly; Occurring every 100 years. vs centennium →centennially 73% match — As part of a centennial. vs centennium →decenniad 73% match — Synonym of decade: a period of 10 years. vs centennium →centennial 72% match — Relating to, or associated with, the commemoration of an event that happened a hundred years before. vs centennium →yearhundred 72% match — Century (a hundred-year timespan). vs centennium →