reflexes
n. plural-only B2 Upper Intermediate US //ˈɹifɫɛksəz// UK //ɹˈiːflɛksɪz// re·flex·es
n. the ability of your body to react quickly and automatically to something. You use this word to describe how fast someone moves when they need to catch a falling object.
n. involuntary and nearly instantaneous movements in response to a stimulus. Often refers to the general speed and coordination of physical responses in sports or driving.
A goalkeeper needs very fast reflexes.
His quick reflexes saved the glass from shattering on the floor after it slipped from the counter.
Professional racing drivers undergo rigorous training to sharpen their reflexes, as reacting even a fraction of a second late can result in a catastrophic collision at high speeds.
Usage
Takes plural verb agreement; commonly used with adjectives like 'quick', 'fast', or 'slow'.