Phony
Part of speech: noun
Definition: A faker, a person who professes beliefs or opinions that he or she does not hold or assumes an identity other than their own.
Part of speech: adjective
Definition: Fraudulent; fake; having a misleading appearance.
Example sentence: People striving for approval from others become phony.
Imitative
Part of speech: adjective
Definition: Imitating; copying; not original.Modelled after another thing.