extra

adj

1. (not-comparable, usually)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.”

   “Kellogg himself became the biggest on-site celeb of all, delivering a weekly ‘Question Box’ lecture in which he explained that tobacco destroyed testicles, and that Ancient Rome had only fallen because the decadent Senators had started tossing their slaves into cookery pots to lend their food extra flavour, thus proving that an over-rich diet could lead to wholesale civilisational collapse.”

2. (dated, not-comparable, usually)Extraordinarily good; superior.
3. (comparable, not-comparable, slang, usually)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!”

   “I highly recommend getting some more bread on the side—they offer small loaves and soup crackers for free, but I'm so extra, I bought my own loaf.”

   “Shattered glass, pierced, bejewelled, chromed and glittered - nails are going totally extra on Insta at the minute and we approve.”

   “Two months of Christmas trees, Christmas movies and Christmas music brings so much fun to our home, we are so extra with it!”

adv

1. (informal, not-comparable)To an extraordinary degree.

   “That day he ran to school extra fast.”

noun

1. Something additional, such as an item above and beyond the ordinary school curriculum, or added to the usual charge on a bill.
2. An extra edition of a newspaper, which is printed outside of the normal printing cycle, for example to report an important late-breaking event.

   “Extra, extra! Read all about it!”

3. A run scored without the ball having hit the striker's bat - a wide, bye, leg bye or no ball.
4. A supernumerary or walk-on in a film or play.
5. (slang)The state or trait of being over the top, of behaving in an overly dramatic manner.

   “Stop! I can't deal with all your extra today!”

6. Something of an extra quality or grade.
7. (Singapore, countable)A day of extra duties (often, over the weekends), as a form of punishment.