- to impair the form or shape of
- to make ugly; disfigure
- Physics to change the shape of by pressure or stress
Origin of deformMiddle English deformen ; from Old French deformer ; from Classical Latin deformare ; from de-, from + forma, form
to become deformed
verbde·formed, de·form·ing, de·forms
- To alter from proper or natural form; misshape: “We shoved off. Almost immediately we hit something that deformed a propeller” (William Least Heat-Moon).
- To spoil the beauty or appearance of; disfigure: “They recalled the fresh young image of the Handsome Sailor, that face never deformed by a sneer” (Herman Melville). See Synonyms at distort.
- Physics To alter the shape of by pressure or stress.
To become deformed: A baseball deforms on being hit.
Origin of deformMiddle English deformen, from Old French deformer, from Latin dēfōrmāre : dē-, de- + fōrma, form.
(third-person singular simple present deforms, present participle deforming, simple past and past participle deformed)