knifelike vs discriminating

knifelike and discriminating both are adjectives.

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

As adjectives, knifelike and discriminating are synonyms defined as:

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

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

knifelike (adjective)	discriminating (adjective)
having a sharp or distinct edge	showing or indicating careful judgment and discernment especially in matters of taste
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