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 of convulse

• 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

Boyd, who maintained his innocence to the end, thrashed and convulsed for 40 minutes after prison officials attached a gas mask to his face, according to Hood and journalist Lee Hedgepeth, who witnessed Boyd’s execution. — Lia Russell, Sacbee.com, 2 Nov. 2026

So is all change for the better, like birth and death, which convulse the body. — René Ostberg, Encyclopedia Britannica, 30 Oct. 2026

The acrobatic routine rushed to a conclusion with Johnson grabbing Shum and ripping off his tie, sending the actor crashing to the ground, convulsing, as each attempt to get up was met by his partner repeatedly shoving him down with her foot. — Gil Kaufman, Billboard, 28 Oct. 2026

Simply to give us the gruesome scene of the kid convulsing to death while leaking blood from his eyes, nose, and mouth. — Chris Klimek, Vulture, 9 Sep. 2026

Word History

Etymology

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

First Known Use

1643, 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