Of a thing: made or constructed by human skill, esp. in imitation of, or as a substitute for, something which is made or occurs naturally; man-made.

Not formed by or occurring in nature; produced or caused by human activity; artificial, man-made, synthetic.

= mimic, adj. 3. Obsolete.

That is a copy or imitation of, or has an imitative resemblance to the person, thing, quality, etc., properly denoted by the following noun; that…

False, fake, ersatz. Of personal behaviour: feigned, affected, disingenuous (cf. faux-naïf, n. adj.). Of a material: synthetic, artificial, made in…

= mimic, adj. 3; pretended, counterfeited. Obsolete. rare.

Of material things or substances: Made in imitation of something else; made to appear to be something which it is not; made of inferior or base…

That imitates the appearance of something else; simulative; fictitious; counterfeit.

attributive. Made (of less costly material) in imitation of a real or genuine article or substance.

Made as a mock-up or replica; contrived in imitation, simulated.

figurative. Artificial, imitation, invented.