SER Antonyms There are 2 antonyms of the word ser. (opposite meanings)Did you mean?Definition of SERSynonyms of SERAlso try opposite words for..seraisBest Opposite Words For SERTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1mutableadjectiveadj2temporaladjectiveadj Alternatives for MUTABLE Words (7)changeableadaptableadjustablealterableflexiblemodifiablevariableOpposite words for mutable Alternatives for TEMPORAL Words (17)briefephemeralevanescentfleetingfugitiveimpermanentlimitedmomentarypassingshort-livedshort-termtemporaltransienttransitoryvanishingsecularworldlyPhrases (1)temporal roleOpposite words for temporal