MEGAWATT-HOUR Antonyms There are 3 antonyms of the word megawatt-hour. (opposite meanings)Did you mean?Definition of MEGAWATT-HOURSynonyms of MEGAWATT-HOURAlso try opposite words for..hoursBest Opposite Words For MEGAWATT-HOURTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1ergnounn2joulenounn3watt-hournounn Alternatives for ERG Words (13)activityapplicationdiligencedrudgeryeffortexertiongrindindustrylabormoilslogtoilworkOpposite words for erg Alternatives for JOULE Words (3)energyunitworkPhrases (2)james prescott joulewatt secondAbbreviations (1)jOpposite words for joule Alternatives for WATT-HOUR Opposite words for watt-hour