/ Dictionary / Index D doornail: Meaning and Definition of Find definitions for: door•nail Pronunciation: (dôr'nāl", dōr'-), [key] — n. a large-headed nail formerly used for strengthening or ornamenting doors. stone-dead: After midnight, the town is dead as a doornail. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: doornail (Thesaurus) door money door opener Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language