| 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. |
| 3. | Machinery.
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| 4. | Angling. a snarled line on a reel, usually caused by a faulty cast. |
| 5. | to make or undergo a backlash. |