/ Dictionary / Index I interrupter: Meaning and Definition of Find definitions for: in•ter•rupt•er Pronunciation: (in"tu-rup'tur), [key] — n. a person or thing that interrupts. a device for interrupting or periodically opening and closing a circuit, as in a doorbell. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: interrupter (Thesaurus) interrupted screw interruption Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language