Word.ws English Dictionary

co-sister

co-sister noun: colleague ("sister" in the same craft, occupation, or society).

Noun

co-sister (plural co-sisters)

  1. colleague ("sister" in the same craft, occupation, or society)
    • At the death of the co-sisters of the Guild, every co-brother of the Guild to be present1900, Arthur Francis Leach, Report on the manuscripts of the corporation of Beverley, page 91
  2. (India) One's spouse's sibling's wife.
    • During this time I came to know about tubectomy from my co-sister and also from the female health worker. This time both my husband and father-in-law refused [me the surgery] on the ground that I was the eldest daughter-in-law and a responsible person for the whole family.1989, Abusaleh Shariff, Fertility transition in rural South India, page 263

Synonyms of co-sister

Forms of co-sister

pluralco-sisters

Origin of co-sister

From co- + sister. The second meaning was influenced by a Dravidian substrate.

Questions about co-sister

What does co-sister mean?
Co-sister means colleague ("sister" in the same craft, occupation, or society).
What part of speech is co-sister?
Co-sister is a noun.
What is the plural of co-sister?
The plural of co-sister is co-sisters.

Words near co-sister in the dictionary

  1. co-siblings-in-law
  2. co-sign
  3. co-signed
  4. co-signing
  5. co-signs
  6. co-sister
  7. co-sister-in-law
  8. co-sisters
  9. co-sisters-in-law
  10. co-sleeping
  11. co-sounding

Source and license

Adapted from Wiktionary: co-sister (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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