HARDEN Antonyms There are 5 antonyms of the word harden. (opposite meanings)Did you mean?Definition of HARDENSynonyms of HARDENAlso try opposite words for..hardenshardenedhardenerhardeningBest Opposite Words For HARDENTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1softenverbv2alleviateverbv3loosenverbv4meltverbv5weakenverbv Alternatives for SOFTEN Words (25)cushionallayalleviateappeaseassuagecalmdulcifyeaselightenmitigatemollifypacifyrelaxrelievesoothetemperbreakbufferdampdampenmincemoderaterelentweakenyieldOpposite words for soften Alternatives for ALLEVIATE Words (17)easerelieveallaymitigatepalliatediminishlessenlightenmollifyreducesoftensoothetemperassuageaddressamelioratefacilitateOpposite words for alleviate Alternatives for LOOSEN Words (13)relaxundoreleaseunfastenuntieslackenunbindunlooseunlatcheaseliberatelooseteasePhrases (4)let output outset freetease apartOpposite words for loosen Alternatives for MELT Words (21)thawdissolveblenddefrostdeliquescefuseliquefymergesoftendethawdisappearevaporatefadefoundmeldmellowmeltingrunthawingunfreezeunthawPhrases (2)mellow outmelt downOpposite words for melt Alternatives for WEAKEN Words (31)softensubvertundermineabateattenuatedebilitatedeclinedecreasedeterioratedevitalizedilutediminishenervateenfeebleerodeexhaustimpairlessenreducesapshakesubduetirewanebreakcounteractcounterminedampdampende-escalatesabotagePhrases (1)break downOpposite words for weaken