/ Dictionary / Index U underlaid: Meaning and Definition of Find definitions for: un•der•laid Pronunciation: (un"dur-lād'), [key] — adj. placed or laid underneath, as a foundation or substratum. having an underneath layer (often fol. by with): a lace tablecloth underlaid with damask; courtesy underlaid with reserve. —v. pt. and pp. of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: underlaid (Thesaurus) underived underlap Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language