Breadcrumb Home > Dictionary > Index M Cite molehill: Meaning and Definition of Find definitions for: mole•hill Pronunciation: (m?l'hil"), [key] ? n. a small mound or ridge of earth raised up by a mole or moles burrowing under the ground. to exaggerate a minor difficulty. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. See also: molehill (Thesaurus) mole fraction mole plow TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: puerile Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language