/ Dictionary / Index P prescriptive: Meaning and Definition of Find definitions for: pre•scrip•tive Pronunciation: (pri-skrip'tiv), [key] — adj. that prescribes; giving directions or injunctions: a prescriptive letter from an anxious father. depending on or arising from effective legal prescription, as a right or title established by a long unchallenged tenure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: prescriptive (Thesaurus) prescription prescriptive grammar Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language