MONTH Antonyms There are 9 antonyms of the word month. (opposite meanings)Did you mean?Definition of MONTHAlso try opposite words for..monthsmonthlyBest Opposite Words For MONTHTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1aeonnounn2centurynounn3decadenounn4eonnounn5eranounn6eternitynounn7infinitynounn8perpetuitynounn9yearnounn Alternatives for AEON Words (6)eonageeternityforeverinfinityperpetuityOpposite words for aeon Alternatives for CENTURY Words (1)hundredPhrases (1)one cAbbreviations (2)100cOpposite words for century Alternatives for DECADE Words (4)decennarydecenniumtentennerAbbreviations (2)10xOpposite words for decade Alternatives for EON Words (5)aeonageepocheraperiodOpposite words for eon Alternatives for ERA Words (9)epochageperiodcycledategenerationspanstagetimePhrases (2)earned run averagegeological eraOpposite words for era Alternatives for ETERNITY Words (23)foreverinfinityboundlessceaselessendlesseverlastingimmortalpermanenttimelessundyingafterlifeageallevermorehourslifetimeperpetuitytimetimelessnessyearsagescenturiesyonksPhrases (1)timeless existenceOpposite words for eternity Alternatives for INFINITY Words (11)bottomlessboundlessendlesseternaleverlastingimmeasurableinfiniteperpetualunendingunlimitedeternityOpposite words for infinity Alternatives for PERPETUITY Words (15)eternityceaselessnesscontinuitydurationenduranceeverlastingnessforeverimmortalityinfinityperpetuationpersistencetimelesseternalityendlessnesssempiternityOpposite words for perpetuity