Synonyms of 'man-made'
artificialDictionary, manufactured, plastic (slang)
a variety of materials, both natural and man-made
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If you describe something as ersatz, you dislike it because it is not genuine and is a poor imitation of something better.
an electric fire with ersatz logs
You use mock to describe something which is not real or genuine, but which is intended to be very similar to the real thing.
'It's tragic,' he swooned in mock horror.
Thesaurus for man-made from the Collins English Thesaurus
Man-made things are created or caused by people, rather than occurring naturally .