out•sizePronunciation: (out'sīz"), [key]
an uncommon or irregular size, esp. one larger than average.
a garment of such a size.
being unusually or abnormally large, heavy, extensive, etc.: a rack of outsize dresses; an outsize puppy; pampering an outsize ego.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.