prototypical adj. + Add to list US //ˌpɹoʊtəˈtɪpɪkəɫ// UK //pɹˌəʊtəʊtˈɪpɪkəl// pro·to·typ·i·cal SynonymsEtymology Synonyms archetypalarchetypicalprototypalprototypicOrigin From prototype + -ical.