scraggy vs underweight

scraggy and underweight both are adjectives.

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

As adjectives, scraggy and underweight are synonyms defined as:

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

scraggy (adjective)	underweight (adjective)
being very thin	being very thin
having a sharply uneven surface or outline