ANNEAL Antonyms There are 2 antonyms of the word anneal. (opposite meanings)Did you mean?Definition of ANNEALSynonyms of ANNEALAlso try opposite words for..annealingBest Opposite Words For ANNEALTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1hardenverbv2temperverb, nounv, n Alternatives for HARDEN Words (16)induratetempercakeconsolidatedryfortifyossifypetrifyreinforcesetsolidifystiffenstrengthentougheninureseasonPhrases (1)firm upOpposite words for harden Alternatives for TEMPER Words (21)biliousnesschastendispositionhardenhumorhumourirritabilityirritationmoderatemollifymoodnormalizepeevishnesspettishnesspiquerageseasonsnappishnesssurlinesstemperamenttoughnessOpposite words for temper