Word.ws English Dictionary

sister in law

sister in law is the alternative form of sister-in-law.

Meaning of sister-in-law

Noun

sister-in-law (plural sisters-in-law or (colloquial, nonstandard) sister-in-laws)

  1. The sister of one's spouse.
    • Though they are not twins, my sister-in-law resembles my wife in almost every way.
  2. The wife of one's sibling.
    • My sister-in-law and my brother met while they were both on vacation in Jamaica.
  3. (uncommon) The wife of the sibling of one's spouse.
  4. (uncommon) The sister of the spouse of one's sibling.

Forms of sister in law

pluralsisters in law

Questions about sister in law

What is sister in law the alternative form of?
Sister in law is the alternative form of sister-in-law.

Words near sister in law in the dictionary

  1. sister hook
  2. sister hooks
  3. sister humper
  4. sister humpers
  5. sister in Christ
  6. sister in law
  7. sister language
  8. sister languages
  9. Sister Minor
  10. sister minoress
  11. Sister of Charity

Source and license

Adapted from Wiktionary: sister in law (page history and authors); sister-in-law (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: “sister in law.” Word.ws, https://word.ws/sister_in_law. Based on Wiktionary, CC BY-SA 4.0.