1.Definition: artificially formal

"That artificial humility that her husband hated"

Related Adjective(s):contrived, hokey, stilted

2.Definition: contrived by art rather than nature

"Artificial flowers", "Artificial flavoring", "An artificial diamond", "Artificial fibers", "Artificial sweeteners"

Related Adjective(s):unreal

3.Definition: not arising from natural growth or characterized by vital processes