UNALLOYED Antonyms There is 0 antonym of the word unalloyed. (opposite meanings)Sorry, we couldn't find any antonyms for UNALLOYED!Did you mean?Definition of UNALLOYEDSynonyms of UNALLOYEDAlso try opposite words for..unangryunamazedunarguedunannexedunapplied