OTP

O1T1P3

A form of one-time pad — A form of encryption where each bit or character from the plaintext is encrypted by a modular addition with a bit or character from a secret random key (or pad) of the same length as the plaintext.

Opposite
Less commonScrabble 5

Meanings

nounOTP (plural OTPs)

plural OTPs

  1. abbreviationinitialismcomputingInitialism of one-time pad.

    He received a login OTP after typing his phone number for premium subscription to a streaming service.

  2. abbreviationinitialismcomputingInitialism of one-time password: a password that is valid for only one login session or transaction.
  3. abbreviationinitialismslanglifestyleInitialism of one true pair (or pairing): the romantic pairing preferred by an author or reader of fan fiction.

    Other common OTPs are Frodo/Sam and Aragorn/Legolas.

    2007, Kristin Thompson, The Frodo Franchise: The Lord of the Rings and Modern Hollywood, page 179
    2 more examples

    The 'shippers in the study asserted that they may enjoy reading stories about other 'ships, or stories without a 'ship […] but the stories they most enjoy are those about their OTP.

    2013, Jennifer K. Stuller, Fan Phenomena: Buffy the Vampire Slayer, page 43

    Over Rico's shoulder, I see Claire biting her lip, wearing the look of a shipper watching her OTP interact.

    2018, Britta Lundin, Ship It, unnumbered page

    Antonyms: NOTP

  4. abbreviationinitialismInitialism of one-trick pony.
  5. South AfricaabbreviationinitialismInitialism of offer to purchase.
proper noun
  1. abbreviationinitialismcommunicationsInitialism of Open Telecom Platform.
  2. abbreviationinitialismcomputingInitialism of Opposite Track Path.
adjective
  1. abbreviationinitialismbusinessInitialism of one-time programmable.
phrase
  1. InternetabbreviationinitialismInitialism of on the phone.
prepositional phrase
  1. abbreviationinitialismInitialism of outside the perimeter.

Synonyms & antonyms

Translations

Spanish contraseña de un solo uso, clave de solamente un uso
  • contraseña de un solo usoone-time password
  • clave de solamente un usoone-time password

Rhymes & wordplay

Anagrams

Cite this entry
APA

OTP. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/OTP

MLA

“OTP.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/OTP. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “OTP,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/OTP.

Source: OTP on Wiktionary, CC BY-SA 4.0.