personal identification number

noun

A number used to confirm an individual's identity, e.g. when using an ATM or a mobile phone, or when making payment using a credit card or debit card.

Similar
PINPIN number
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Meanings

nounpersonal identification number (plural personal identification numbers)

plural personal identification numbers

  1. A number used to confirm an individual's identity, e.g. when using an ATM or a mobile phone, or when making payment using a credit card or debit card.

    Synonyms: PIN

Synonyms & antonyms

nounA number used to confirm an individual's identity, e.g. when using an ATM or a mobile phone, or when making payment using a credit card or debit card.

Similar
PIN

More synonyms by meaning

nouna number you choose and use to gain access to various accounts

Similar
PINPIN number
Broader
number
Also see
pinpin number

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

personal identification number. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/personal%20identification%20number

MLA

“personal identification number.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/personal%20identification%20number. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “personal identification number,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/personal%20identification%20number.

Source: personal identification number on Wiktionary, CC BY-SA 4.0.