/ Dictionary / Index C convulse: Meaning and Definition of Find definitions for: con•vulse Pronunciation: (kun-vuls'), [key] — -vulsed, -vuls•ing. to shake violently; agitate. to cause to shake violently with laughter, anger, pain, etc. to cause to suffer violent, spasmodic contractions of the muscles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: convulse (Thesaurus) convulsant convulsion Related Content Daily Word Quiz: foliage Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language