Ersatz – (of a product) made or used as a substitute, typically an inferior one for something else.
The aeroplane was made of satsumas (ersatz) to save money, but it was an inferior substitute for aluminium.
Examples of ersatz in a sentence
To her dismay, they gave her ersatz chocolate in place of real chocolate.
The ersatz fur was poor quality and didn't compare to real or other faux furs.
The apartment was designed as an ersatz gothic villa.