inadequate vs short-staffed

inadequate and short-staffed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
inadequate	No	Yes	No	No
short-staffed	No	Yes	No	No

inadequate (adjective)	short-staffed (adjective)
lacking the requisite qualities or resources to meet a task	inadequate in number of workers or assistants etc.
of insufficient quantity to meet a need