SSN

S1S1N1

A form of social security number — A nine-digit number issued by the Social Security Administration to citizens, permanent residents, and certain temporary workers, primarily to track people for taxation purposes, and in recent years serving as a de facto national identification number.

Less commonScrabble 3
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounSSN (plural SSNs)

plural SSNs

  1. USabbreviationinitialismInitialism of social security number.

    Furthermore, the requirement of the child’s SSN for purposes of claiming the credit is maintained and expanded upon to require the taxpayer’s SSN and, for joint filers, the spouse’s SSN in order to claim the credit. The SSNs provided must be considered work-eligible in order to claim the credit.

    2025 May 28, “The One, Big, Beautiful Bill”, in United States House Committee on Ways & Means, page 7
  2. NavyUSabbreviationAbbreviation of nuclear-powered attack submarine.
Cite this entry
APA

SSN. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/SSN

MLA

“SSN.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/SSN. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “SSN,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/SSN.

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