adj. 1.  Being a usually inferior imitation or substitute; artificial: ersatz coffee made of chicory. 2.  Not genuine; fake: "Popularity was an intoxicant ... reporters began to ask for interviews and I gave them in an ersatz accent" (Maya Angelou). [German, replacement, from ersetzen, to replace, from Old High German irsezzan : ir-, out; see  ud- in the Appendix of Indo-European roots + sezzan, to set; see  sed- in the Appendix of Indo-European roots.] ersatz′ n.  | 
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