reflex
word
Definition
A reflex is an automatic, quick reaction of your body to something, especially when you do not think about it, like when the doctor taps your knee and your leg moves.
Usage & Nuances
"Reflex" is mainly a biology or medical term. Common collocations: "knee-jerk reflex," "reflex action," "reflex test." Informally, can refer to quick, automatic responses in sports or daily life. Not the same as "reflection" (thinking or an image in a mirror).
Example Sentences
The doctor tested my knee reflex.
basic
Blinking is a natural reflex to protect your eyes.
basic
Catching a ball can be a quick reflex in sports.
basic
I dropped the glass, but my hand's reflex saved it from breaking.
natural
Good drivers have fast reflexes to avoid accidents.
natural
His answer was so quick—it was like a reflex, not something he thought about.
natural