/ Dictionary / Index D dilapidated: Meaning and Definition of Find definitions for: di•lap•i•dat•ed Pronunciation: (di-lap'i-dā"tid), [key] — adj. reduced to or fallen into partial ruin or decay, as from age, wear, or neglect. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dilapidated (Thesaurus) dilapidate dilatant Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language