from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of captcha.


Sorry, no etymologies found.


  • Of course, by putting recognizable words in captchas rather than random strings of numbers and letters, the likelihood of a non-human could guess them would increase.

    Archive 2007-01-01

  • Called "social authentication," the tool is intended to improve on traditional "captchas" -- those squiggly letters that you often have to identify to get into a secure site.

    Facebook Beefs Up Security With A Little Help From Your Friends

  • Mr. Garibay said his software worked by feeding "captchas" -- distorted letters and numbers that users need to retype to prove they are people, not software programs -- to workers in India who were paid $2 an hour.

    Ticketmaster Wins Ruling

  • Someone told me about an ingenious way that spammers were cracking "captchas" -- the distorted graphic words that a human being has to key into a box before Yahoo and Hotmail and similar services will give her a free email account.

    Boing Boing: January 25, 2004 - January 31, 2004 Archives

  • The W3C has singled out "captchas" -- the pseudo-Turing-Tests intended to keep spammers form using automated tools to create freemail accounts in bulk -- as disastrous for the blind and other disabled users of the Internet, since they rely on sight and reading comprehension to work.

    Boing Boing: November 2, 2003 - November 8, 2003 Archives

  • The big problem I have with captchas is you’re taking part in an arms race with the spammers and giving them instant feedback on how well they’re doing.

    Spammers Randomate and Captchas « The Paradigm Shift

  • The whole point of captchas is that robots cant read as well as people. but one day, robots will be able to read better than people, and robot’s will be making ROBOTCHAS to keep us from gate crashing their robot parties.

    I’m sick of CAPTCHAs

  • I can’t stress how much I despise captchas from a usability point of view.

    The Captcha is dead. « The Paradigm Shift

  • They're known as captchas, and they're designed to stop malicious software from accessing a site and, say, using speedy algorithms to snatch up all the tickets to a concert in seconds. -- Top News

  • They are known as captchas and, in case you are wondering, they are there to try to keep spammers at bay (though spammers are never shy of exploiting good people around the world and pay them to sit at terminals typing these in for pennies an hour ...)

    Ask Manny Hernandez: Social Media, Nonprofits, Health 2.0


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