ungenerous vs stingy

ungenerous and stingy both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ungenerous	No	Yes	No	No
stingy	No	Yes	No	No

As adjectives, ungenerous and stingy are synonyms defined as:

ungenerous and stingy: unwilling to spend (money, time, resources, etc.)

ungenerous (adjective)	stingy (adjective)
lacking in magnanimity	unwilling to spend (money, time, resources, etc.)
unwilling to spend (money, time, resources, etc.)	deficient in amount or quality or extent