Word.ws English Dictionary

social insurance number

social insurance number noun: a nine-digit number issued by the government of Canada to citizens, permanent residents, and some categories of temporary residents, for official identification in the provision of government services and income taxation.

Noun

social insurance number (plural social insurance numbers)

  1. (Canada) A nine-digit number issued by the government of Canada to citizens, permanent residents, and some categories of temporary residents, for official identification in the provision of government services and income taxation.
    • Before you start the process of establishing a credit rating in Canada, you need to have a Social Insurance Number, which you'll need for every credit application you complete (see Chapter 5 on how to obtain one).2008, Brian D. Wruk, The American in Canada, Revised, Real-Life Tax and Financial Insights Into Moving to and Living in Canada - Updated and Revised Second Edition
    Synonyms:
    SIN

Synonyms of social insurance number

Forms of social insurance number

pluralsocial insurance numbers

Questions about social insurance number

What does social insurance number mean?
Social insurance number means a nine-digit number issued by the government of Canada to citizens, permanent residents, and some categories of temporary residents, for official identification in the provision of government services and income taxation.
What part of speech is social insurance number?
Social insurance number is a noun.
What is the plural of social insurance number?
The plural of social insurance number is social insurance numbers.

Words near social insurance number in the dictionary

  1. social infertility
  2. social informatics
  3. social insect
  4. social insects
  5. social insurance
  6. social insurance number
  7. social insurance numbers
  8. social insurances
  9. social issue
  10. social issues
  11. social jet lag

Source and license

Adapted from Wiktionary: social insurance number (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “social insurance number.” Word.ws, https://word.ws/social_insurance_number. Based on Wiktionary, CC BY-SA 4.0.