Delusion
Delusion noun - A false idea or belief.
Usage example: he appears to suffer from the delusion that he's the best reporter in the business
Error is a synonym for delusion in misconception topic. In some cases you can use "Error" instead a noun "Delusion", when it comes to topics like misapprehension, thing, trick. popular alternative
Error
Error noun - A false idea or belief.
Usage example: the church published a list of moral errors that it considers to be at odds with its teachings
Delusion is a synonym for error in mistake topic. You can use "Delusion" instead a noun "Error", if it concerns topics such as thing, trick, misconception, misapprehension. popular alternative
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Cite this Source
Error and Delusion. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/delusion/error
Delusion & Error. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/delusion/error>.
Error or Delusion. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/delusion/error.
Google Ngram Viewer shows how "delusion" and "error" have occurred on timeline