Wordhelp
Home
Forum
Blog
Contact
FAQ
About
Scrabble How to Search
Encyclopedias

Dictionary
Definitions
Synonyms
Thesaurus
Antonyms
Quotes
Proverbs
Word Finders

Letterpress
Wordle
Spelling Bee
Scrabble
Wordfeud
Crossword
Words with friends
Apalabrados
Wordscapes
Words of Wonders
Word tools

Rhymes
Syllables
Sentences
Text to speech
Parts of speech
Numbers to words
Phonetic spelling
Legal

Privacy
Cookies
Consent
Terms of use

Home
Definitions Definitions
English
captcha

Scrabble Words with friends Wordfeud Apalabrados Letterpress Wordle Wordscapes Words of Wonders Spelling Bee Crossword Definitions Thesaurus Proverbs Abbreviations Verb conjugator Sentences Quotes Syllables Parts of speech Numbers to words Phonetic Spelling Rhymes Text to speech

Anagrams of Words starting with Words ending in Containing exactly Unscramble

Dictionary Clue Answer Pattern Text Author Category NATO International Radiotelephony Western Union ITU ICAO Japanese Radio Telephony Amateur Radio FCC Amateur Radio US Signal Corps US Navy USAAF British Royal Air Force British Army Royal Canadian Air Force Army Air Corps US Coast Guard Royal Navy Royal Canadian Navy French German Dutch Czech NYPD - New York Police Department Portuguese Spanish Danish Swedish Norwegian Army Norwegian Beginning rhymes End rhymes Used with English verbs Spanish verbs English Spanish Czech Danish Dutch English German Finnish French Italian Norwegian Portuguese Spanish Swedish Term (Abbr.) Word in meaning Synonyms Antonyms Dutch English German Spanish French Italian Norwegian Polish Portuguese

Modal title

Definition of captcha Captcha

We found 3 definitions of captcha from 2 different sources.

Advertising

What does captcha mean?

Wiktionary

captcha (Noun)
A distorted image of letters and numbers used to prevent automated use of websites.
captcha (Noun)
Anything that a human must do to prove that they are not a computer.

OmegaWiki DictionaryOmegaWiki Dictionary Ω

captcha
(Completely Automated Public Turing Test to tell Computers and Humans Apart) A challenge-response test designed to filter out automated Web site requests.