throw off

  • (verb): To confuse; especially, to lose a pursuer.
  • (verb): To introduce errors or inaccuracies; to skew.
  • (verb): Of a horse, to eject its rider.
  • (verb): To expel, reject, or renounce.
  • (verb): To give forth in an unpremeditated manner.
  • I never saw her without glasses before, so it threw me off when she got contact lenses.
  • The dirt in the apparatus threw off the results.