Duplicate and Knockoff

Duplicate

Duplicate noun - Something that is made to look exactly like something else.
Usage example: a duplicate of a house key

Knockoff and duplicate are semantically related in copy topic. In some cases you can use "Knockoff" instead a noun "Duplicate".

Knockoff

Knockoff noun - An unauthorized copy or imitation.

Duplicate and knockoff are semantically related in imitation topic. You can use "Duplicate" instead a noun "Knockoff", if it concerns topics such as reproduction.

Both words in one sentence

  • Sister Trope Evil Twin, Evil Counterpart, Evil Knockoff, and Criminal Doppelgänger are all about evil duplicates of one person, but the evil persona in the individual tropes are an identical twin, a persona from an Alternate Universe, an intentionally created duplicate, and an Identical Stranger, respectively.
    Source: Sister Trope
  • Literature / The Lost Fleet Evil Knockoff: The Syndicates attempt to duplicate Geary's improvised ship minefield, unsuccessfully.
  • Video Game / Kirby & the Amazing Mirror Evil Knockoff: Dark Meta Knight, a duplicate that masquerades as the true Meta Knight for most of the game.
Cite this Source
Knockoff and Duplicate. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/duplicate/knockoff
Duplicate & Knockoff. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/duplicate/knockoff>.
Knockoff or Duplicate. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/duplicate/knockoff.
Google Ngram Viewer shows how "duplicate" and "knockoff" have occurred on timeline