hard up vs pinched

hard up and pinched both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hard up	No	Yes	No	No
pinched	No	Yes	No	No

As adjectives, hard up and pinched are synonyms defined as:

Other synonyms of hard up include impecunious, in straitened circumstances, penniless, penurious.

hard up (adjective)	pinched (adjective)
not having enough money to pay for necessities	as if squeezed uncomfortably tight
	sounding as if the nose were pinched
	not having enough money to pay for necessities
	very thin especially from disease or hunger or cold