verb (used with object), e·ma·ci·at·ed, e·ma·ci·at·ing.
- to make abnormally lean or thin by a gradual wasting away of flesh.
verb
- (usually tr) to become or cause to become abnormally thin
1620s (implied in emaciating), from Latin emaciatus, past participle of emaciare “make lean, waste away,” from ex- “out” (see ex-) + macies “leanness,” from macer “thin” (see macro-). Related: Emaciated; emaciating.