/ Dictionary / Index D decree-law: Meaning and Definition of Find definitions for: de•cree-law Pronunciation: (di-krē'lô"), [key] — n. an executive decree made pursuant to a delegation from the legislature and having the full force of legislation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. decree decree nisi Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language