missing vs wanting

missing and wanting both are adjectives.

Word	Noun	Adjective	Verb	Adverb
missing	No	Yes	No	No
wanting	No	Yes	No	No

As adjectives, missing and wanting are synonyms defined as:

Other synonyms of missing include absent, lacking.

missing (adjective)	wanting (adjective)
not able to be found	inadequate in amount or degree
nonexistent	nonexistent