/ Dictionary / Index O observant: Meaning and Definition of Find definitions for: ob•serv•ant Pronunciation: (ub-zûr'vunt), [key] — adj. quick to notice or perceive; alert. looking at, watching, or regarding attentively; watchful. careful in the observing of a law, custom, religious ritual, or the like. —n. an observer of law or rule. (cap.) a member of a Franciscan order that observes the strict rule of St. Francis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: observant (Thesaurus) observance observation Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language