Breadcrumb Home > Dictionary > Index U underlet: Meaning and Definition of Find definitions for: un•der•let Pronunciation: (un"dur-let'), [key] — -let, -let•ting. to let below the true value. to sublet. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. underlayment underlie TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: parallax Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language