Meaning of “spasm” in the English Dictionary

american-english dictionary

"spasm" in American English

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spasmnoun [ C ]

us /ˈspæz·əm/

a sudden, uncontrollable tightening of a muscle, or a sudden, burst of activity or energy:

He left the game because of back spasms.
The rebels’ spasm of resistance was short-lived.

(Definition of “spasm” from the Cambridge Academic Content Dictionary © Cambridge University Press)