1) Boniness 2) Bonyness 3) Excessive thinness or wasting 4) Extreme leanness 5) Gauntness 6) Leanness 7) Maceration 8) The process of emaciating 9) Thinness 1) Bonyness 2) Cacoepy 3) Contraction 4) Gauntness 5) Symptosis 
Emaciation (ən or ən) is defined as extreme weight loss and thinness due to a loss of subcutaneous fat (the fatty, or adipose tissue beneath the skin) and muscle throughout the body. It affects human beings and animals; one that is emaciated could be described as `wasting away` or being `gaunt.` Emaciation is caused by severe malnourishment ...
an animal that is far too thin.
• (n.) The act of making very lean. • (n.) The state of being emaciated or reduced to excessive leanness; an excessively lean condition.
Excessive leanness; a wasted condition of the body. ... (12 Dec 1998) ... 
(e-ma″she-a´shәn) a wasted condition of the body; see wasting.
Excessive thinness or wasting.
E·ma`ci·a'tion noun [ Confer French émaciation .] 1. The act of making very lean. 2. The state of being emaciated or reduced to excessive leanness; an excessively lean condition. 
Type: Term Pronunciation: ē-mā′sē-ā′shŭn Definitions: 1. Becoming abnormally thin from extreme loss of flesh. Synonyms: wasting1
To waste away physically.
Severe weight loss. Extremely thin. Also called cachexia.
Loss of flesh resulting in extreme leanness.
abnormal thinness caused by lack of nutrition or by disease. · the process of emaciating.
extreme leanness (usually caused by starvation or disease)