Look at the thesaurus entry that follows this sentence. Which word is the best replacement for the word "skinny"?

Fiona had lost so much weight that to describe her as skinny was not an overstatement.

skinny (adjective)

having a very small amount of body fat

Synonyms lean, lithe, slender, slim, scrawny, skeletal, trim, wizened, clean-limbed

A. Wizened

B. Lithe

C. Clean-limbed

D. Skeletal

The answer is D. Skeletal

The answer here is skeletal.

That is because Skeletal also has as meaning "very thin; emaciated.". That is the case because when someone is overly skinny, you can clearly see their bones curving their skins. Many times, the shape of the bones is so clear that people will be reminded of skeletons immediately. That's why Skeletal might refer strictly to someone's appearance when it comes to be about "someone who is so skinny that you can almost see their bones".

The correct answer is:

D. Skeletal