Also found in: Thesaurus, Encyclopedia, Wikipedia.
Of or relating to a language such as Eskimo or Mohawk, characterized by long, morphologically complex words with a large number of affixes that express syntactic relationships and meanings usually expressed as phrases or sentences in other languages.
ˌpolyˈsynthesism, ˌpolyˈsynthetism n
pol•y•syn•thet•ic(ˌpɒl i sɪnˈθɛt ɪk)
(of a language) characterized by the use of long words containing a large number of affixes to express syntactic relationships and meanings, as many American Indian languages. Compare analytic (def. 3), synthetic (def. 4).