/ trəˈdɪʃənl; NAmE / adjective
1.
being part of the beliefs, customs or way of life of a particular group of people, that have not changed for a long time :
traditional dress
It's traditional in America to eat turkey on Thanksgiving Day.
2.
(sometimes disapproving ) following older methods and ideas rather than modern or different ones
SYN conventional :
traditional methods of teaching
Their marriage is very traditional.
► trad·ition·al·ly / -ʃənəli; NAmE / adverb :
The festival is traditionally held in May.
Housework has traditionally been regarded as women's work.