optical illusion

noun

Definition of optical illusion 

Examples of optical illusion in a Sentence

The closer building looks larger than the farther one, but it's just an optical illusion. The two buildings are actually the same size.

Recent Examples on the Web

Sin is able to create this particular form of optical illusion thanks to a technique known as focus blur. Anna Goldwater Alexander, WIRED, "Look Closely: These Aren't Flowers—They're Fireworks," 2 July 2018 Her bandana had optical illusion qualities with a wavy black and red stripe. Alyssa Hardy, Teen Vogue, "Bella Hadid and Kaia Gerber Walk the Alexander Wang Spring / Summer 2019 Fashion Show," 4 June 2018 Retrogrades are basically a big, cosmic optical illusion. Jodie Layne, Teen Vogue, "Mars Retrograde 2018: What You Need to Know," 26 June 2018 As one of those people who could never master Magic Eye as a kid, a presumed this optical illusion wouldn't work for me. Andrew Moseman, Popular Mechanics, "Today's Best Optical Illusion Might Actually Break Your Brain," 10 Apr. 2018 Lil Miquela, modeling's latest it girl, is an optical illusion. CBS News, "Computer-generated models' social media influence on the rise," 20 June 2018 The sparkles will then carry over into your tweet, creating a very pure optical illusion. Emily Wang, Teen Vogue, "The Sparkle Meme Has Taken Over Twitter," 6 Apr. 2018 Adidas designed the Deerupt with radioactive colors and a pattern that verges on optical illusion to stick out, on a millionth routine scroll through Instagram, like a firecracker in an otherwise ho-hum night sky. Cam Wolf, GQ, "The Rules of the Gym, According to the Hot Dudes of ‘Insecure’," 15 June 2018 Or, more specifically, her feet as warped and enlarged by an optical illusion. Emily Wang, Allure, "Zendaya's Feet in This Photo Are Getting a Weird Amount of Attention From Fans," 17 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'optical illusion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of optical illusion

1763, in the meaning defined above

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Time Traveler for optical illusion

The first known use of optical illusion was in 1763

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More Definitions for optical illusion

optical illusion

noun

English Language Learners Definition of optical illusion

: something that looks different from what it is : something that you seem to see but that is not really there

optical illusion

noun

Kids Definition of optical illusion

: something that looks different from what it actually is

optical illusion

noun

Medical Definition of optical illusion 

: visual perception of a real object in such a way as to misinterpret its actual nature

More from Merriam-Webster on optical illusion

Britannica.com: Encyclopedia article about optical illusion

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exaggeratedly or childishly emotional

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