Alternative spelling of extracurricular

Alternative spelling of extrasolar

Alternative spelling of extra innings

(Of a logical fallacy) Not deriving from the linguistic expression used; for a reason other than of ambiguity, division, et cetera.

(American football) A point scored after a touchdown by kicking the ball through the goal posts or by advancing to the end zone.

Of or pertaining to the use of a drug in a way or for a purpose not specified on the label, or specifically the information provided by the manufacturer.

(law) From outside.

One who goes the extra mile, or does more than is expected of them.

Alternative spelling of extraplanetary

(baseball, usually in the plural) An additional inning of play required to break a tie.