TIGHTENERS Antonyms There are 6 antonyms of the word tighteners. (opposite meanings)Did you mean?Definition of TIGHTENERSSynonyms of TIGHTENERSAlso try opposite words for..tightentighterBest Opposite Words For TIGHTENERSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1openernounn2relaxernounn3dethronernounn4liberalizerverb, noun, adjectivev, n, adj5loosenernounn6slackenernounn Alternatives for OPENER Words (19)beginnercatalystcreatorfirstforerunnerinitiatorinstigatorleaderoriginatorpioneerprecursorprogenitorstartertrailblazerinauguratorintroducerundoerunfasteneruntierOpposite words for opener Alternatives for DETHRONER Words (5)depositordespoilersubverterusurperoverthrownOpposite words for dethroner