[{"Bold_text": "adjective", "List Items": ["(of a language) characterized by a prevalence of relatively long words containing a large number of affixes to express syntactic relationships and meanings. Many American Indian languages are polysynthetic. Compare analytic ( def 3 ) analytic ( def 3 ), synthetic ( def 3 ) synthetic ( def 3 ).", "of or relating to polysynthesism ."]}]