Synonyms of the word

ersatz

• adj. Made in imitation; artificial, especially of a poor quality.
• n. Something made in imitation; an effigy or substitute.

artificial

• adj. Man-made; of artifice.
• adj. False, misleading.
• adj. Unnatural.

replacement

• n. A person or thing that takes the place of another; a substitute.
• n. The act of replacing something.

substitute

• v. (transitive) To use in place of something else, with the same function.
• v. (transitive) In the phrase "substitute X with/by Y", to use Y in place of X; to replace X with Y.
• v. (transitive, sports) To remove (a player) from the field of play and bring on another in his place.
• v. (intransitive) To serve as a replacement (for someone or something).
• n. A replacement or stand-in for something that achieves a similar result or purpose.
• n. (sports) A player who is available to replace another if the need arises, and who may or may not actually…
• n. (historical) One who enlists for military service in the place of a conscript.

unreal

• adj. fake; not real.
• adj. (slang) larger or more fantastic than typical of real life.