1. To become very weak and thin or to physically waste away: Debora's mother had an illness that emaciated her body so much that it resulted in a serious loss of weight which made her very thin and almost unrecognizable.
2. Etymology: "to make excessively thin"; from Latin emaciatus, and emaciare "to make lean, to waste away"; from ex-, "out" + macies, "leanness"; from macer, "thin".

A reference to being abnormally thin and/or weak because of hunger, a disease, or lack of sufficient food: The illness left James in a more emaciated condition than the doctor expected.

Janette was so emaciated that she was too weak to walk and so she had to use a supporting walker to get around.

Because of the severe drought, many of the emaciated cattle on Jake's ranch were not expected to live much longer.