FORMALISE Antonyms There are 3 antonyms of the word formalise. (opposite meanings)Did you mean?Definition of FORMALISEAlso try opposite words for..formalformalismformalistformalizedformalizerBest Opposite Words For FORMALISETop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1loosenverbv2relaxverbv3casualizeverb, adverbv, adv Alternatives for LOOSEN Words (13)relaxundoreleaseunfastenuntieslackenunbindunlooseunlatcheaseliberatelooseteasePhrases (4)let output outset freetease apartOpposite words for loosen Alternatives for RELAX Words (9)loosenunbendunwinddecompresslooseslackslackenunlaxunstrainPhrases (4)loosen upmake relaxedslack upslow downOpposite words for relax Alternatives for CASUALIZE Words (5)easeinformalityloosenrelaxsimplifyOpposite words for casualize