skinny vs weedy

skinny is a noun but weedy is not a noun.

Word	Noun	Adjective	Verb	Adverb
skinny	Yes	Yes	No	No
weedy	No	Yes	No	No

As adjectives, skinny and weedy are synonyms defined as:

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

skinny (noun)	weedy (noun)
confidential information about a topic or person

skinny (adjective)	weedy (adjective)
of or relating to or resembling skin	abounding with or resembling weeds
giving or spending with reluctance	being very thin
being very thin
fitting snugly