puritanical adj. + Add to list US //ˌpjʊɹəˈtænɪkəɫ// UK //pjˌʊɹɪtˈænɪkəl// pu·ri·tan·i·cal SynonymsEtymology Synonyms priggishprimprissyprudishsquare toedstraight lacedstraightlacedstrait lacedstraitlacedtight lacedOrigin From puritanic + -al.