piercing vs stabbing

piercing and stabbing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
piercing	No	Yes	No	No
stabbing	No	Yes	No	No

As adjectives, piercing and stabbing are synonyms defined as:

Other synonyms of piercing include cutting, keen, knifelike, lancinate, lancinating.

piercing (adjective)	stabbing (adjective)
having or demonstrating ability to recognize or draw fine distinctions	causing physical or especially psychological injury
painful as if caused by a sharp instrument	painful as if caused by a sharp instrument