ad·di·tion·al
Pronounced:
/əˈdɪʃənl̟/
Function:
adjectiveMeaning:
: more than is usual or expected ▪ Larger windows will require additional work, but the additional light they will provide may be worth the extra trouble. ▪ There's an additional [=extra] fee/charge for returning the car a day late. ▪ The memory on this computer has the additional [=added] advantage of being expandable.

