spasm

noun

ˈspa-zəm 

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

Synonyms of spasm

• cramp

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

In 2022, Dion was diagnosed with stiff-person syndrome, a rare, debilitating progressive neurological disorder that causes muscle rigidity and spasms so violent Dion broke ribs. — Anna Cafolla, Vogue, 15 Sep. 2026

After Tua Tagovailoa had back spasms in Thursday’s practice, Rush had little opportunity to get reps with the starters and to be ready for the game on short notice. — Rod Beard, AJC.com, 13 Sep. 2026

He was thrust into the starting lineup Thursday and was suffering from back spasms as late as Saturday. — Josh Kendall, New York Times, 13 Sep. 2026

Stiff-person syndrome is a rare neurological disorder that can cause muscle stiffness and spasms and is thought to be an autoimmune condition, according to the National Institutes of Health. — Mason Leib, ABC News, 10 Sep. 2026

Word History

Etymology

Middle English spasme, from Anglo-French espasme, from Latin spasmus, from Greek spasmos, from span to draw, pull

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for spasm

• bronchospasm
• cytoplasm
• ectoplasm
• neoplasm
• protoplasm
• vasospasm
• chasm
• chiasm
• nazim
• plasm
• enthusiasm
• iconoclasm

Kids Definition

spasm

noun

ˈspaz-əm 

1

: 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

noun

ˈspaz-əm 

1

: 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