The Daily Mail asks: if overweight airline baggage must pay an extra fee, why not overweight airline passengers?
It means going the extra mile needed to achieve internal logical consistency.
If the game went into extra time with both teams locked goalless, it was entirely due to Howard.
The ocean is filled with lots of contaminants, such as plastics, oil, and extra carbon.
The adrenaline rush of anticipation, the extra weight of fear as those men walked on into the unknown.
I'll give you an extra hundred, Matt, if you'll bring the car through.
The men worked as usual, nor was there any extra liquor drunk.
Jake would drive the extra team over, and the other two men would plow corn at home.
Grant repressed an impulse to shout, and used the breath for an extra burst of speed.
Farrer had retaken his seat and the others were moving over to make room for an extra chair.
1650s as a stand-alone adjective; also used as an adverb and noun in 17c. (see extra-); modern usages -- including sense of "minor performer in a play" (1777) and "special edition of a newspaper" (1793) -- all probably are from shortenings of extraordinary, which was used extensively in 18c. as noun and adverb in places we would use extra today.
only recorded in classical Latin in extraordinarius, but much used in Medieval Latin and modern formations; it represents Latin extra (adv.) "on the outside, without, except," the old fem. ablative singular of exterus "outward, outside," comparative of ex "out of" (see ex-).
extra- or extro-
Outside; beyond: extracellular.
Object-oriented, Pascal style, handles sets. "A Data Model and Query Language for EXODUS", M.J. Carey et al, SIGMOD 88 Conf Proc, pp.413- 423, ACM SIGMOD Record 17:3 (Sept 1988).