extra

 
Pronunciation: /ˈɛkstrə/

adjective

  • added to an existing or usual amount or number: they offered him an extra thirty-five cents an hour a lot of extra work is involved

adverb

  • 1 [as submodifier] to a greater extent than usual; especially: he is trying to be extra good
  • 2in addition: installation will cost about £60 extra

noun

  • an item in addition to what is usual or strictly necessary: I had an education with all the extras
  • an item for which an additional charge is made: the price includes all major charges—there are no hidden extras
  • a person engaged temporarily to fill out a crowd scene in a film or play: the film used an army of extras
  • Cricket a run scored other than from a hit with the bat, credited to the batting side rather than to a batsman.
  • dated a special issue of a newspaper: she stood under an awning and read the extra

Origin:

mid 17th century (as an adjective): probably a shortening of extraordinary, suggested by similar forms in French and German