CAPTCHA
Americannoun
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an online test designed so that humans but not computers are able to pass it, used as a security measure and usually involving a visual-perception task.
Site visitors must solve the “distorted text” CAPTCHA before posting comments.
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a computer program that generates such tests.
Etymology
Origin of CAPTCHA
First recorded in 2000–05; C(ompletely) A(utomated) P(ublic) T(uring) (Test to Tell) C(omputers and) H(umans) A(part); inspired by capture ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
OpenAI’s safety tests for ChatGPT-4 revealed that AI has already developed the ability to scam human users into helping them pass Captcha tests.
From MarketWatch
That’s great, and I want that, but sometimes I want entertainment, style and originality too, and all of those things exist in this exciting, economical tale of a woman who can’t get past a CAPTCHA.
From Salon
In the short term, Tools for Humanity plans to generate revenue by offering its iris-based system as an alternative to security technologies like CAPTCHA, the photographic test that is used to sort humans from spam accounts.
From New York Times
The testers found that the system could potentially hire a human to defeat an online Captcha test, lying that it was a person with a visual impairment.
From New York Times
Researchers recently showed that one system was able to hire a human online to defeat a Captcha test.
From New York Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
