FreeScrabbleDictionary

captcha

Valid in Scrabble

Scrabble points
16
Words With Friends
18
Letters
7
Pronunciation
/ˈkæp.t͡ʃə/

Definition of captcha

3 senses · 1 part of speech · etymology included

noun

  1. (Internet)A computerized test requiring the human user to perform a task deemed to be difficult to automate, such as entering a displayed series of distorted characters or describing images, to demonstrate that they are a human and not a computer program.
    “CAPTCHA puzzles are intended to be easy for a human to solve but difficult for a computer. Because of the monetary value to spammers of circumventing these controls, an arms race has occurred in which typical CAPTCHA puzzles have […]”
    “A CAPTCHA is a quick check to make sure that an actual person, rather than a computer program, is using the website. Web applications use CAPTCHA […]”
See all 3 definitions

noun

  1. (Internet)A computerized test requiring the human user to perform a task deemed to be difficult to automate, such as entering a displayed series of distorted characters or describing images, to demonstrate that they are a human and not a computer program.
    “CAPTCHA puzzles are intended to be easy for a human to solve but difficult for a computer. Because of the monetary value to spammers of circumventing these controls, an arms race has occurred in which typical CAPTCHA puzzles have […]”
    “A CAPTCHA is a quick check to make sure that an actual person, rather than a computer program, is using the website. Web applications use CAPTCHA […]”
  2. (alt-of)Alternative letter-case form of CAPTCHA.
  3. (alt-of)Alternative letter-case form of CAPTCHA.

Definitions from Wiktionary, CC BY-SA.

Etymology

Coined by a team of researchers at Carnegie Mellon University in 2000 as a loose acronym of “completely automated public Turing test to tell computers and humans apart”.

Words you can make from captcha

36 playable · top: CATCH (12 pts)

Best play catch 12 points

5-letter words

3 words

4-letter words

13 words

3-letter words

13 words

2-letter words

6 words

Hooks

1 extension · 1 back

A single letter you can add to captcha to make another valid word.

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