definition vs sharpness

definition and sharpness both are nouns.

Word	Noun	Adjective	Verb	Adverb
definition	Yes	No	No	No
sharpness	Yes	No	No	No

As nouns, sharpness is a hypernym of definition; that is, sharpness is a word with a broader meaning than definition:

Other hypernyms of definition include distinctness.

definition (noun)	sharpness (noun)
clarity of outline	harshness of manner
a concise explanation of the meaning of a word or phrase or symbol	thinness of edge or fineness of point
	a strong odor or taste property
	the quality of being sharp and clear
	the attribute of urgency in tone of voice
	the quality of being keenly and painfully felt
	a quick and penetrating intelligence