Definition, Meaning & Synonyms

reflex

noun
/ˈrɪˌflɛks/
Definition
A reflex is an automatic response to a stimulus that does not require conscious thought.
Examples
  • The doctor tested her knee reflex with a hammer.
  • Jumping back from a hot stove is a reflex action.
Meaning
Reflex actions occur quickly and are meant to protect the body from harm. They involve a simple neural pathway and are often seen in response to pain or unexpected events.
Synonyms
  • reaction
  • response
  • impulse