/ Dictionary / Index S seizure: Meaning and Definition of Find definitions for: sei•zure Pronunciation: (sē'zhur), [key] — n. the act or an instance of seizing. the state of being seized. a taking possession of an item, property, or person legally or by force. a sudden attack, as of epilepsy or some other disease. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: seizure (Thesaurus) seizing sejant Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language