plain·​text | \ ˈplān-ˌtekst How to pronounce plaintext (audio) \

Definition of plaintext

: the intelligible form of an encrypted text or of its elements — compare ciphertext

Examples of plaintext in a Sentence

Recent Examples on the Web Without the plaintext, the decryption attack won't work. Dan Goodin, Ars Technica, 13 Aug. 2020 Even worse, Nintendo emails the user the new password in plaintext. Dan Goodin, Ars Technica, 22 Apr. 2020 The researchers explained: Given a pair of correct and faulty ciphertext on the same plaintext, this attack is able to recover the full 128-bit AES key with a computational complexity of only 232+256 encryptions on average. Dan Goodin, Ars Technica, 10 Dec. 2019 But there were at least five plaintext passwords that remained out of reach. Dan Goodin, Ars Technica, 10 Oct. 2019 Even in the event that the website breach leaks passwords in plaintext, the password manager ensures that only a single account is compromised. Dan Goodin, Ars Technica, 16 Sep. 2019 As if that wasn’t bad enough, the devices transmitted all data in plaintext using commands that were easy to reverse engineer. Dan Goodin, Ars Technica, 5 Sep. 2019 The company must encrypt passwords and regularly check if any passwords are stored in plaintext. Cat Zakrzewski, Washington Post, 24 July 2019 Another potential method might make small changes to the plaintext to call it to leak to a server. Dan Goodin, Ars Technica, 14 May 2018

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

See More

First Known Use of plaintext

1918, in the meaning defined above

Keep scrolling for more

Learn More About plaintext

Time Traveler for plaintext

Time Traveler

The first known use of plaintext was in 1918

See more words from the same year

Dictionary Entries Near plaintext




See More Nearby Entries 

Statistics for plaintext

Cite this Entry

“Plaintext.” Dictionary, Merriam-Webster, Accessed 19 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on plaintext Encyclopedia article about plaintext


Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!