Meaning of backlash

back•lash

Pronunciation: (bak'lash"), [key]
— n.
  1. a sudden, forceful backward movement; recoil.
  2. a strong or violent reaction, as to some social or political change: a backlash of angry feeling among Southern conservatives within the party.
    1. the space between the thickness of a gear tooth and the width of the space between teeth in the mating gear, designed to allow for a film of lubricant, binding from heat expansion and eccentricity, or manufacturing inaccuracies.
    2. play or lost motion between loosely fitting machine parts.
  3. a snarled line on a reel, usually caused by a faulty cast.
—v.i.
  1. to make or undergo a backlash.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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