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extra   WordNet 2.0

- something additional of the same kind
"he always carried extras in case of an emergency"

 
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- an additional edition of a newspaper (usually to report a crisis)

 
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- a minor actor in crowd scenes

 
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- further or added
"called for additional troops"
"need extra help"
"an extra pair of shoes"
"I have no other shoes"
"there are other possibilities"

 
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- 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

 
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- added to a regular schedule
"a special holiday flight"
"put on special buses for the big game"

 
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- unusually or exceptionally
"an extra fast car"

 
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Extra   Webster's Revised Unabridged Dictionary (1913)

1. 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.

 
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1. 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.

 
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1. 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.]

 
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1. 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.

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

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

4. Something of an extra quality or grade.

 
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