Definitions | knee-jerk |
| noun
- A sudden reflexive movement of the leg below the knee, as a reaction to a tap to the tendon just below the patella (kneecap).
adjective (pos=knee-jerk)
- Automatic, spontaneous, easily predictable
- a response
Etymology: First attested w:1876, 1876, obviously derived from a figurative sense of the patellar reflex.
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