adj.
1.(sometimes followed by `to') minor or casual or subordinate in significance or nature or occurring as a chance concomitant or consequence
2.following as a consequence
3.not of prime or central importance incidental n.
1.(frequently plural) an expense not budgeted or not specified
2.an item that is incidental
Idiom of the Day
ground (someone)
to take away someone's privileges (usually used for teenagers)
The girl was grounded by her parents because she came home late too often.