LOOSENING Antonyms There are 6 antonyms of the word loosening. (opposite meanings)Did you mean?Definition of LOOSENINGSynonyms of LOOSENINGAlso try opposite words for..loosenBest Opposite Words For LOOSENINGTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1fasteningverb, noun, adjectivev, n, adj2tighteningverb, nounv, n3firmingadjectiveadj4securingverb, adjectivev, adj5stiffenverbv6tightenverbv Alternatives for FASTENING Words (3)fixsecuretightenOpposite words for fastening Alternatives for TIGHTENING Words (16)bindingcompressingconstrictingconstrictivecontractingfasteninggrippingnarrowingrestrictingsqueezingstrappingclinchingconstrainfastenreducestiffenPhrases (1)tighten upOpposite words for tightening Alternatives for FIRMING Words (25)bracingsolidifyingstrengtheningtighteningsecuringtoningfaststeadytautenfirmlyhouseimmobileloyalsolidsteadfaststeadfastlystiffstrongtrueheartedunbendableunfalteringunfluctuatingunshakableunwaveringunwaveringlyPhrases (1)business firmOpposite words for firming Alternatives for SECURING Words (27)defendingprotectingensuringfortifyingguardingpreservingsafeguardingupholdingassurebattendependableensurefastenfixgoodguaranteeimpregnableinsureinviolableplugprocuresafestrongunafraidunassailableunattackableuntroubledPhrases (2)batten downstop upOpposite words for securing Alternatives for STIFFEN Words (11)tightenbracecementfirmhardensolidifystiffstrengthentenseconstrainstarkenPhrases (1)tighten upOpposite words for stiffen Alternatives for TIGHTEN Words (4)constrainfastenreducestiffenPhrases (1)tighten upOpposite words for tighten