Optical illusion
Optical illusion noun - An optical phenomenon that results in a false or deceptive visual impression.
Show all Definitions
Synonyms for Optical illusion
Shade and optical illusion are semantically related. In some cases you can use "Shade" instead a noun phrase "Optical illusion".
Shade
Shade noun - Partial darkness due to the obstruction of light rays.
Optical illusion and shade are semantically related. Sometimes you can use "Optical illusion" instead a noun "Shade".
Cite this Source
Shade and Optical illusion. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/optical_illusion/shade
Optical illusion & Shade. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/optical_illusion/shade>.
Shade or Optical illusion. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/optical_illusion/shade.
Google Ngram Viewer shows how "optical illusion" and "shade" have occurred on timeline