SSN

See also: ssn and S.Sn.

English

English Wikipedia has an article on:

SSN

Wikipedia

Noun

SSN (plural SSNs)

English Wikipedia has an article on:

SSN (U.S. Navy)

Wikipedia

2. (US) Initialism of social security number.

   Hypernym: TIN

   Coordinate terms: ITIN, EIN

   • 2025 May, “The One, Big, Beautiful Bill”, in United States House Committee on Ways & Means‎, page 7:

     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.

3. (US, Navy) Initialism of sub-surface nuclear — a nuclear-powered attack submarine.

See also

• (Social Security number): SIN

Anagrams

• NSS, SNS