Webster’s Revised Unabridged Dictionary · 1913 Dumpy Dump′y, a. [Compar. Dumpier; superl. Dumpiest.] [1. From Dump a short ill-shapen piece. 2. From Dump sadness.] 1. Short and thick; of low stature and disproportionately stout. 2. Sullen or discontented. [Prov. Eng.] Halliwell. ‹ Dumpling Dumpy level ›