LOOSENERS Antonyms There is 1 antonym of the word looseners. (opposite meanings)Did you mean?Definition of LOOSENERSAlso try opposite words for..looseloosenlooselyloosenerlooseningBest Opposite Words For LOOSENERSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1tightenersnounn Alternatives for TIGHTENERS Words (10)nutsbandsboltsclampsclaspsclipsfastenerslatchesscrewsstrapsOpposite words for tighteners