ANTINUCLEON Antonyms There are 10 antonyms of the word antinucleon. (opposite meanings)Did you mean?Definition of ANTINUCLEONBest Opposite Words For ANTINUCLEONTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1baryonnounn2bosonnounn3fermionnounn4gluonnounn5hadronnounn6leptonnoun, adjectiven, adj7mesonnounn8nucleonnounn9photonnounn10quarknounn Alternatives for BARYON Words (2)hadronnucleonPhrases (1)heavy particleOpposite words for baryon Alternatives for LEPTON Words (1)particlePhrases (1)elementary particleOpposite words for lepton Alternatives for MESON Words (1)mesotronOpposite words for meson Alternatives for NUCLEON Words (2)neutronprotonOpposite words for nucleon