—v.t., -worked or -wrought, -work•ing,
to work harder, better, or faster than.
to work out or carry on to a conclusion; finish: a problem to be outworked in after generations.
to outdo in workmanship.
a minor defense built or established outside the principal fortification limits.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.