1
: an involuntary and abnormal muscular contraction
2
: a sudden violent and temporary effort, emotion, or sensation
a spasm of creativity
spasms of pain
spasm
intransitive verb
Examples of spasm in a Sentence
a disease that causes muscle spasms
He was racked with coughing spasms.
She was suffering spasms of guilt.
Recent Examples on the Web
Other symptoms can include loss of motor skills — problems walking, swallowing or muscle spasms.
—
Virginia Chamlee, PEOPLE, 28 May 2026
Perhaps, then, the back spasms that befell him on May 23 were a blessing.
—Chandler Rome, New York Times, 28 May 2026
The injury, identified at the time as a right hamstring spasm, came at a particularly inauspicious moment, with Perez in the midst of one of his best starts in the season, with nine strikeouts in four scoreless innings.
—Barry Jackson, Miami Herald, 28 May 2026
The most common side effects of TEPEZZA include muscle cramps or spasms, nausea, hair loss, diarrhea, feeling tired, high blood sugar, hearing problems, taste changes, headache, dry skin, ear discomfort, weight loss, nail problems, and changes in menstruation.
—Lauryn Higgins, Flow Space, 27 May 2026
See All Example Sentences for spasm
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Virginia Chamlee, PEOPLE, 28 May 2026
Perhaps, then, the back spasms that befell him on May 23 were a blessing.
—Chandler Rome, New York Times, 28 May 2026
The injury, identified at the time as a right hamstring spasm, came at a particularly inauspicious moment, with Perez in the midst of one of his best starts in the season, with nine strikeouts in four scoreless innings.
—Barry Jackson, Miami Herald, 28 May 2026
The most common side effects of TEPEZZA include muscle cramps or spasms, nausea, hair loss, diarrhea, feeling tired, high blood sugar, hearing problems, taste changes, headache, dry skin, ear discomfort, weight loss, nail problems, and changes in menstruation.
—Lauryn Higgins, Flow Space, 27 May 2026
See All Example Sentences for spasm
Cite this Entry
“Spasm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spasm. Accessed 3 Jun. 2026.
Copy CitationKids Definition
spasm
noun1
: a sudden uncontrolled contracting of muscles
back spasms
2
: a sudden violent and temporary effort, emotion, or outburst
a spasm of creativity
spasm
verb
Medical Definition
spasm
noun1
: an involuntary and abnormal contraction of muscle or muscle fibers or of a hollow organ (as an artery, the colon, or the esophagus) that consists largely of involuntary muscle fibers
2
: the state or condition of a muscle or organ affected with spasms
the renal artery went into spasm
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