Additional vs. Extra — What's the Difference?

The operation that, for positive integers, consists of increasing by a definite number of increments of 1. The operation is extended to other numbers according to the additive properties of positive integers and other algebraic properties.

More than or beyond what is usual, normal, expected, or necessary

Any of certain analogous operations involving mathematical objects other than numbers.

Subject to an additional charge

The process of adding or joining something to something else, typically to make it larger

Something more than is usual or necessary

Something added

Something, such as an accessory on a motor vehicle, for which an additional charge is made.

Supplemental or added to something.

A special edition of a newspaper.

Something added.

A performer hired to play a minor part, as in a crowd scene in a film.

Added; supplemental; in the way of an addition.

To an exceptional extent or degree; unusually

Something added.

(not comparable) Beyond what is due, usual, expected, or necessary; extraneous; additional; supernumerary.

Existing or coming by way of addition;

Extraordinarily good; superior.

Added to complete or make up a deficiency;

Over the top; going beyond what is normal or appropriate, often in a dramatic manner.

Further or added;

Denotes more.

More;

(informal) To an extraordinary degree.

One more or an added;

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, for example to report an important late-breaking event.

(cricket) A run scored without the ball having hit the striker's bat - a wide, bye, leg bye or no ball.

(acting) A supernumerary or walk-on in a film or play.

(slang) The state or trait of being over the top, of behaving in an overly dramatic manner.

Something of an extra quality or grade. en

Beyond what is due, usual, expected, or necessary; additional; supernumerary; also, extraordinarily good; superior; as, extra work; extra pay.

Something in addition to what is due, expected, or customary; esp., an added charge or fee, or something for which an additional charge is made; as, at some hotels air conditioning is an extra.

An edition of a newspaper issued at a time other than the regular one.

A run, as from a bye, credited to the general score but not made from a hit.

Something of an extra quality or grade.

A minor actor in crowd scenes

An additional edition of a newspaper (usually to report a crisis)

Something additional of the same kind;

Further or added;

More than is needed, desired, or required;

Added to a regular schedule;

Unusually or exceptionally;