extra

[ ek-struh ]
/ ˈɛk strə /

adjective

beyond or more than what is usual, expected, or necessary; additional: an extra copy of a newspaper; an extra charge.
larger or better than what is usual: an extra binding.

noun

adverb

in excess of the usual or specified amount: an extra high price.
beyond the ordinary degree; unusually; uncommonly: done extra well; extra large.

Origin of extra

First recorded in 1770–80; by shortening of extraordinary

Definition for extra (2 of 3)

extra-

a prefix meaning “outside,” “beyond,” freely used as an English formative: extrajudicial; extraterritorial; extra-atmospheric.
Also extro-.

Origin of extra-

< Latin, combining form of extrā (adv. and preposition) outside (of), without

Definition for extra (3 of 3)

ab extra
[ ahb ek-strah; English ab ek-struh ]
/ ɑb ˈɛk strɑ; English æb ˈɛk strə /

adverb Latin.

from the outside.

Example sentences from the Web for extra

British Dictionary definitions for extra (1 of 2)

extra
/ (ˈɛkstrə) /

adjective

being more than what is usual or expected; additional

noun

adverb

unusually; exceptionally an extra fast car

Word Origin for extra

C18: perhaps shortened from extraordinary

British Dictionary definitions for extra (2 of 2)

extra-

prefix

outside or beyond an area or scope extrasensory; extraterritorial

Word Origin for extra-

from Latin extrā outside, beyond, changed from extera, from exterus outward

Medical definitions for extra

extra-

pref.

Outside; beyond:extracellular.