The definition of a spasm is a sudden and often involuntary feeling or movement, particularly a muscle contraction.
An example of a spasm is a sudden jerking of the knee.
- a sudden, convulsive, involuntary muscular contraction: a tonic spasm is persistent and sustained, and a clonic spasm is one of a series of relatively brief contractions alternating with relaxations
- any sudden, violent, temporary activity, feeling, etc.
Origin of spasmMiddle English spasme ; from Middle French ; from Classical Latin spasmus ; from Classical Greek spasmos ; from span, to draw, pull, wrench: see span
to undergo a spasm
- A sudden, involuntary contraction of a muscle or group of muscles.
- A sudden burst of energy, activity, or emotion.
Origin of spasmMiddle English spasme, from Old French, from Latin spasmus, from Greek spasmos, from spān, to pull.
(third-person singular simple present spasms, present participle spasming, simple past and past participle spasmed)
- To produce and undergo a spasm.