Meaning

• 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.

• A supernumerary or walk-on in a film or play.

• Something of an extra quality or grade.

Meaning

• 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!"

Meaning

• To an extraordinary degree.

  "That day he ran to school extra fast."