tra·di·tion·al / trəˈdishənl/ • adj. existing in or as part of a tradition; long-established: the traditional festivities of the church year. ∎ produced, done, or used in accordance with tradition: a traditional fish soup. ∎ habitually done, used, or found: the traditional drinks in the clubhouse. ∎ (of a person or group) adhering to tradition, or to a particular tradition: traditional Elgarians. ∎ (of jazz) in the style of the early 20th century.DERIVATIVES: tra·di·tion·al·ly adv.