not according to nature; not by natural means

existing in or produced by nature; not artificial or imitation

the quality of being produced by people and not occurring naturally

not genuine; imitating something superior

lacking in reality or substance or genuineness; not corresponding to acknowledged facts or criteria

deliberately arranged for effect

having particular physiological functions augmented or replaced by electronic or electromechanical components

(used of color) artificially produced; not natural

without substance

artificial as if portrayed in a film