Extra
noun
Something additional, such as an item above and beyond the ordinary school curriculum, or added to the usual charge on a bill.
An extra edition of a newspaper, which is printed outside of the normal printing cycle.
“Extra, extra! Read all about it!”
A run scored without the ball having hit the striker's bat - a wide, bye, leg bye or no ball.
Synonyms: addition, supplement, sundry
adjective
Beyond what is due, usual, expected, or necessary; extraneous; additional; supernumerary.
“I don't mind doing some extra work, as long as I get extra pay.”
Extraordinarily good; superior.
Over the top; going beyond what is normal or appropriate, often in a dramatic manner.
“You unfollowed her for posting cat memes? You're so extra!”
adverb
To an extraordinary degree.
“That day he ran to school extra fast.”