DictionaryreflexiveAutomatic response
adjective

reflexive

Done automatically without conscious thought.

She raises her arms in a reflexive response to the approaching ball.

A person instinctively lifts both forearms to protect the face as a foam ball approaches unexpectedly; one approaching ball, startled eyes, automatic protective response without injury.
Etymology

Reflex developed a physiological sense for a response returned automatically to a stimulus. Reflexive extends that automatic reaction to conduct performed without conscious deliberation.

In context

The Best Seat in History157:23
The immediate, reflexive, instinctive fruit of the fall was the refusal to say the two hardest words a human being can say
You've Been Wrong About Temptation (The Bible Explains Why)

More examples

  • Touching the hot pan triggers a reflexive jerk of his hand.
  • Her apology is reflexive, even when she has done nothing wrong.
  • The sudden crash makes him duck in a reflexive movement.

Forms

reflexive

reflex noun — An automatic response to a stimulus.

reflexively adverb — Automatically and without conscious thought.

Similar words

automatic
Emphasizes an action happening without deliberate control or attention.
involuntary
Emphasizes that a response is not under conscious control.
instinctive
Emphasizes natural impulses rather than learned or deliberate behavior.