1. Dwarf, midget, pygmy are terms for a very small person. A dwarf is someone checked in growth or stunted, or in some way not normally formed. A midget (not in technical use) is someone perfect in form and normal in function, but diminutive. A pygmy is properly a member of one of certain small-sized peoples of Africa and Asia, but the word is often used imprecisely to mean dwarf or midget. Dwarf is a term often used to describe very small plants. Pygmy is used to describe very small animals. 2. runt, miniature.