scraggly vs underweight

scraggly and underweight both are adjectives.

Word	Noun	Adjective	Verb	Adverb
scraggly	No	Yes	No	No
underweight	No	Yes	No	No

As adjectives, scraggly and underweight are synonyms defined as:

Other synonyms of scraggly include boney, bony, scraggy, scrawny, skinny, weedy.

scraggly (adjective)	underweight (adjective)
being very thin	being very thin
ragged, thin, or untidy in appearance