Breadcrumb Home > Dictionary > Index I incessant: Meaning and Definition of Find definitions for: in•ces•sant Pronunciation: (in-ses'unt), [key] — adj. continuing without interruption; ceaseless; unending: an incessant noise. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: incessant (Thesaurus) incertitude incest ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language