/ Dictionary / Index O ought: Meaning and Definition of Find definitions for: ought Pronunciation: (ôt), [key] — auxiliary verb. (used to express duty or moral obligation): Every citizen ought to help. (used to express justice, moral rightness, or the like): He ought to be punished. You ought to be ashamed. (used to express propriety, appropriateness, etc.): You ought to be home early. We ought to bring her some flowers. (used to express probability or natural consequence): That ought to be our train now. —n. duty or obligation. ought Pronunciation: (ôt), [key] — n., adv. aught. ought Pronunciation: (ôt), [key] — n. aught. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ouessant oughtlins Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language