HEIGHTENER Antonyms There are 3 antonyms of the word heightener. (opposite meanings)Did you mean?Definition of HEIGHTENERSynonyms of HEIGHTENERAlso try opposite words for..heightBest Opposite Words For HEIGHTENERTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1depressornounn2reducernounn3minimizernounn Alternatives for REDUCER Words (7)attenuatordamperlimitersoftenerabaterminimizerreductantPhrases (1)reducing agentOpposite words for reducer Alternatives for MINIMIZER Words (3)reducerbelittlerundervaluerOpposite words for minimizer