ANTINEUTRON Antonyms There are 8 antonyms of the word antineutron. (opposite meanings)Did you mean?Definition of ANTINEUTRONBest Opposite Words For ANTINEUTRONTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1electronnounn2gluonnounn3mesonnounn4neutronnounn5photonnounn6positronnoun, adjectiven, adj7protonnounn8quarknounn Alternatives for ELECTRON Words (1)negatronOpposite words for electron Alternatives for MESON Words (1)mesotronOpposite words for meson Alternatives for POSITRON Words (1)antielectronOpposite words for positron