Definitions

1. noun

an automatic and uncontrolled response to a stimulus, especially one that has been learned through experience or conditioned by environment.

“The child’s reflex was to cry whenever she fell down.”

2. noun

an involuntary and automatic response to a stimulus, especially one that is related to the nervous system.

“The doctor tested the patient’s reflexes to check for any damage to the nervous system.”

3. verb

to respond automatically and uncontrolledly to a stimulus, especially one that has been learned through experience or conditioned by environment.

“She reflexed to the loud noise by jumping up in surprise.”