1. an automatic response by the body to a stimulus
2. a reflected image, light, or color

1. occurring automatically without conscious thought
2. bent or turned backward
Usage: technical

Examples

• The doctor tested my knee reflex with a small hammer.
• Blinking is a natural reflex that protects your eyes.
• Her reflex action saved her from falling down the stairs.
• The reflex of sunlight on the water was blinding.
• He had a reflex response to duck when he heard the loud noise.
• The reflex angle measured more than 180 degrees.
• Sneezing is an involuntary reflex triggered by irritants.