discriminating vs knifelike

discriminating and knifelike both are adjectives.

Word	Noun	Adjective	Verb	Adverb
discriminating	No	Yes	No	No
knifelike	No	Yes	No	No

As adjectives, discriminating and knifelike are synonyms defined as:

discriminating and knifelike: having or demonstrating ability to recognize or draw fine distinctions

Other synonyms of discriminating include acute, incisive, keen, penetrating, penetrative, piercing, sharp.

discriminating (adjective)	knifelike (adjective)
showing or indicating careful judgment and discernment especially in matters of taste	having a sharp or distinct edge
having or demonstrating ability to recognize or draw fine distinctions	having or demonstrating ability to recognize or draw fine distinctions
	cutting or able to cut as if with a knife
	painful as if caused by a sharp instrument