EXTRA
extra, additional
(adjective) further or added; “called for additional troops”; “need extra help”; “an extra pair of shoes”
excess, extra, redundant, spare, supererogatory, superfluous, supernumerary, surplus
(adjective) more than is needed, desired, or required; “trying to lose excess weight”; “found some extra change lying on the dresser”; “yet another book on heraldry might be thought redundant”; “skills made redundant by technological advance”; “sleeping in the spare room”; “supernumerary ornamentation”; “it was supererogatory of her to gloat”; “delete superfluous (or unnecessary) words”; “extra ribs as well as other supernumerary internal parts”; “surplus cheese distributed to the needy”
extra, special
(adjective) added to a regular schedule; “a special holiday flight”; “put on special buses for the big game”
extra
(adverb) unusually or exceptionally; “an extra fast car”
extra, duplicate
(noun) something additional of the same kind; “he always carried extras in case of an emergency”
extra
(noun) an additional edition of a newspaper (usually to report a crisis)
supernumerary, spear carrier, extra
(noun) a minor actor in crowd scenes
Source: WordNet® 3.1
Etymology
Adjective
extra (not comparable)
Beyond what is due, usual, expected, or necessary; extraneous; additional; supernumerary.
(dated) Extraordinarily good; superior.
(slang) Over the top; going beyond what is normal or appropriate, often in a dramatic manner.
Adverb
extra (not comparable)
(informal) To an extraordinary degree.
Noun
extra (plural extras)
Something additional, such as an item above and beyond the ordinary school curriculum, or added to the usual charge on a bill.
Synonyms: addition, supplement
An extra edition of a newspaper, which is printed outside of the normal printing cycle.
(cricket) A run scored without the ball having hit the striker's bat - a wide, bye, leg bye or no ball.
Synonym: sundry
(acting) A supernumerary or walk-on in a film or play.
Something of an extra quality or grade.
Synonyms
• (something additional): See also adjunct
Anagrams
• Artex, retax, taxer
Source: Wiktionary
Ex"tra-. Etym: [L., fr. exter. See Exterior.]
Definition: A Latin preposition, denoting beyond, outside of; -- often used
in composition as a prefix signifying outside of, beyond, besides, or
in addition to what is denoted by the word to which it is prefixed.
Ex"tra, a.
Definition: Beyond what is due, usual, expected, or necessary; additional;
supernumerary; also, extraordinarily good; superior; as, extra work;
extra pay. "By working extra hours." H. Spencer.
Ex"tra, n.; pl. Extras (.
Definition: Something in addition to what is due, expected, or customary;
something in addition to the regular charge or compensation, or for
which an additional charge is made; as, at European hotels lights are
extras. [Colloq.]
Source: Webster’s Unabridged Dictionary 1913 Edition