inappropriate vs unfitting

inappropriate and unfitting both are adjectives.

Word	Noun	Adjective	Verb	Adverb
inappropriate	No	Yes	No	No
unfitting	No	Yes	No	No

As adjectives, inappropriate and unfitting are synonyms defined as:

inappropriate and unfitting: not in keeping with what is correct or proper

Other synonyms of inappropriate include incompatible, out of keeping.

inappropriate (adjective)	unfitting (adjective)
not suitable for a particular occasion etc	not in keeping with what is correct or proper
not in keeping with what is correct or proper