ANNUM Antonyms There are 9 antonyms of the word annum. (opposite meanings)Did you mean?Definition of ANNUMSynonyms of ANNUMAlso try opposite words for..annualannuallyBest Opposite Words For ANNUMTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1centurynounn2daynounn3decadenounn4hournounn5millenniumnounn6minutenounn7monthnounn8secondnoun, adjectiven, adj9weeknounn Alternatives for CENTURY Words (1)hundredPhrases (1)one cAbbreviations (2)100cOpposite words for century Alternatives for DAY Words (4)daylightepocheradaytimePhrases (8)24-hour intervalclarence dayclarence shepard day jr.mean solar daysidereal daysolar daytwenty-four hour periodtwenty-four hoursOpposite words for day Alternatives for DECADE Words (4)decennarydecenniumtentennerAbbreviations (2)10xOpposite words for decade Alternatives for HOUR Words (2)minutestoundPhrases (2)60 minutestime of dayAbbreviations (2)hrhOpposite words for hour Alternatives for MILLENNIUM Words (2)millenarykaOpposite words for millennium Alternatives for MINUTE Words (21)momentsecondinfinitesimalinstantmoexactexactingexcruciatinginsignificantjiffyminusculeprecisescrupuloussectictinytracearcminutebithournarrowPhrases (1)minute of arcAbbreviations (1)minOpposite words for minute Alternatives for SECOND Words (17)arcsecondminutemomentsecseconderbackbitendorseendorsementindorseindorsementinstantirregularmoothersecondlysecondmentPhrases (2)second basesecond gearAbbreviations (3)2d2ndsOpposite words for second