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.

something extra or additional

the little amenities and extras that make life pleasant.

an additional expense.

a special edition of a newspaper, other than a regular edition.

something of superior quality.

Movies, Television . a person hired by the day to play a minor part, as a member of a mob or crowd.

an additional worker.

Usually, extras. Cricket . a score or run not made from the bat, as a bye or a wide.

in excess of the usual or specified amount

an extra high price.

beyond the ordinary degree; unusually; uncommonly

done extra well; extra large.

adjective

basic , elementary , essential , fundamental , integral , necessary

noun

basic , essential , fundamental , necessity

adjective

added , additional , ancillary , another , auxiliary , beyond , button * , extraneous , extraordinary , fresh , further , fuss * , gingerbread , gravy * , ice * , in addition , inessential , in reserve , in store , lagniappe * , leftover , more , needless , new , one more , optional , other , over and above , perk * , plus , redundant , reserve , spare , special , superfluous , supernumerary , supplemental , supplementary , surplus , tip , unnecessary , unneeded , unused , de trop , excess , supererogatory , accessory , adjunctive , superior , supervenient

adverb

considerably , especially , exceptionally , extraordinarily , extremely , markedly , noticeably , rarely , remarkably , uncommon , uncommonly , unusually , awfully , dreadfully , eminently , exceedingly , greatly , highly , most , notably

noun

addendum , addition , adjunct , affix , appendage , appurtenance , attachment , bonus , complement , extension , supernumerary , supplement , accessory , added , additional , afterthought , ancillary , annex , appendix , fringe benefit , lagniappe , leftover , more , odd , over , perk , perquisite , plus , postscript , redundance , redundancy , reinforcement , reserve , spare , special , stand-in , superabundance , supererogation , superfluity , superfluous , superior , supervenient , supplemental , supplementary , surcharge , surplus , unusually