Phrase guide

social security number

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

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.

Definition source: English Wiktionary via Wiktextract

Usage: US

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: number, identifier

2

noun

Meaning 2

A corresponding number in other countries.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: number, identifier

3

noun

Meaning 3

Alternative letter-case form of social security number.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

the number of a particular individual's Social Security account

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: number, identification number

History

Etymology

No etymology was provided for this word.

Across languages

Translations

13 source translations are retained for this English entry.

  • Bulgarian: номер на социална осигуровка (nomer na socialna osigurovka) — nine-digit number issued in the US under the Social Security Act
  • Georgian: სოციალური უსაფრთხოების ნომერი (socialuri usaprtxoebis nomeri) — nine-digit number issued in the US under the Social Security Act
  • Navajo: naaltsoos dootłʼizhí — nine-digit number issued in the US under the Social Security Act
  • Polish: numer ubezpieczenia społecznego — nine-digit number issued in the US under the Social Security Act
  • Chinese Mandarin: 社會安全號碼 /社会安全号码 (shèhuì ānquán hàomǎ) — corresponding number in other countries
  • Finnish: sosiaaliturvatunnus — corresponding number in other countries
  • Finnish: henkilötunnus — corresponding number in other countries
  • French: numéro de sécurité sociale — corresponding number in other countries
  • German: Sozialversicherungsnummer — corresponding number in other countries
  • Hungarian: tajszám — corresponding number in other countries
  • Japanese: 社会保障番号 (shakai hoshō bangō) — corresponding number in other countries
  • Polish: numer ubezpieczenia społecznego — corresponding number in other countries
  • Russian: но́мер социа́льного обеспече́ния (nómer sociálʹnovo obespečénija) — corresponding number in other countries