convulse

verb

con·​vulse kən-ˈvəls 

convulsed; convulsing

transitive verb

: to shake or agitate violently

especially : to shake with or as if with irregular spasms

was convulsed with laughter

intransitive verb

: to become affected with convulsions

Synonyms

• shake
• shudder
• vibrate
• jerk
• tremble
• quiver

Choose the Right Synonym for convulse

shake, agitate, rock, convulse mean to move up and down or to and fro with some violence.

shake often carries a further implication of a particular purpose.

shake well before using

agitate suggests a violent and prolonged tossing or stirring.

an ocean agitated by storms

rock suggests a swinging or swaying motion resulting from violent impact or upheaval.

the whole city was rocked by the explosion

convulse suggests a violent pulling or wrenching as of a body in a paroxysm.

spectators were convulsed with laughter

Examples of convulse in a Sentence

The patient reacted to the medication and began convulsing.

The country was convulsed by war.

Recent Examples on the Web

Some skimming of the froth would not be unhealthy, though the question is whether the market got wound tightly enough that a hiccup in the high-momentum groups convulses the rest of the market too. —Michael Santoli, CNBC, 7 Oct. 2025

The new information suggested at least modest progress in an investigation into a killing that law enforcement was treating as the latest instance of political violence to convulse the United States across the ideological spectrum. —Jesse Bedayn, Fortune, 11 Sep. 2025

The Testament of Ann Lee, a staggering, surreal musical charting the rise of the 18th-century religious sect the Shakers and their titular leader, as embodied by a wild-haired, convulsing Amanda Seyfried. —Radhika Seth, Vogue, 1 Sep. 2025

As arson and violence convulsed Black neighborhoods, white support for the movement plummeted. —Daniel Immerwahr, New Yorker, 18 Aug. 2025

Word History

Etymology

Latin convulsus, past participle of convellere to pluck up, convulse, from com- + vellere to pluck — more at vulnerable

First Known Use

1614, in the meaning defined at transitive sense

Rhymes for convulse

• repulse
• dulce
• pulse

Kids Definition

convulse

verb

con·​vulse kən-ˈvəls 

convulsed; convulsing

: to shake violently

especially : to shake with usually uncontrolled jerky movements

convulsed with laughter

Medical Definition

convulse

verb

con·​vulse kən-ˈvəls 

convulsed; convulsing

transitive verb

: to shake or agitate violently

especially : to shake or cause to shake with or as if with irregular spasms

was convulsed with pain

intransitive verb

: to become affected with convulsions

some children will inevitably convulse when fever reaches a high point

—H. R. Litchfield & L. H. Dembo