trigintal

/ˌtrɪdʒɪnˈtæl/ or /ˌtrɪdʒɪnˈtɑːl/

Definitions

1. adjective

relating to or consisting of thirty

“The trigintal anniversary celebration marked thirty years of friendship.”

Synonyms

  • thirtieth
  • thirty

Antonyms

  • tenth
  • twenty-fifth