Standard Lemma guide

co-sister-in-law

noun · 2 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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1

noun

Meaning 1

One's spouse's sister-in-law, especially one's husband's brother's wife, one's brother's wife in relation to the spouses of his siblings; either of two (or more) women who are married to brothers, in relation to the other.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

One's brother-in-law or sister-in-law's sister; one's sibling's spouse's sister; either of two (or more) women whose siblings are married, in relation to the other.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From co- + sister-in-law or co-sister + -in-law.

Across languages

Translations

40 source translations are retained for this English entry.

  • Arabic: سِلْفَة (silfa) — one's husband's brother's wife
  • Armenian: տագերակին (tagerakin) — one's husband's brother's wife
  • Azerbaijani: elti — one's husband's brother's wife
  • Belarusian: ятро́ўка (jatrówka) — one's husband's brother's wife
  • Central Bikol: bilas — one's husband's brother's wife
  • Cebuano: bilas — one's husband's brother's wife
  • Chinese Mandarin: 妯娌 (zhóuli) — one's husband's brother's wife
  • Greek: συννυφάδα (synnyfáda) — one's husband's brother's wife
  • Ancient Greek: ἐνάτηρ (enátēr) — one's husband's brother's wife
  • Hiligaynon: bilas — one's husband's brother's wife
  • Icelandic: svilkona — one's husband's brother's wife
  • Japanese: 相嫁 (aiyome) — one's husband's brother's wife
  • Latin: ianitrīx — one's husband's brother's wife
  • Miyako: やㇲ゙ (yaz) — one's husband's brother's wife
  • Persian: جاری (jâri) — one's husband's brother's wife
  • Polish: żona brata męża — one's husband's brother's wife
  • Portuguese: concunhada — one's husband's brother's wife
  • Russian: неве́стка (nevéstka) — one's husband's brother's wife
  • Russian: своя́ченица (svojáčenica) — one's husband's brother's wife
  • Sanskrit: यातृ (yātṛ) — one's husband's brother's wife
  • Serbo-Croatian: јетрва — one's husband's brother's wife
  • Serbo-Croatian: шогорица — one's husband's brother's wife
  • Serbo-Croatian: jetrva — one's husband's brother's wife
  • Serbo-Croatian: šogorica — one's husband's brother's wife
  • Spanish: concuñada — one's husband's brother's wife
  • Tagalog: bilas — one's husband's brother's wife
  • Turkish: elti — one's husband's brother's wife
  • Ukrainian: ятрі́вка (jatrívka) — one's husband's brother's wife
  • Waray-Waray: bilas — one's husband's brother's wife
  • Zazaki: cêriye — one's husband's brother's wife
  • Icelandic: svilkona — one's wife's brother's wife
  • Polish: żona brata żony — one's wife's brother's wife
  • Serbo-Croatian: шурјакиња — one's wife's brother's wife
  • Serbo-Croatian: шогорица — one's wife's brother's wife
  • Serbo-Croatian: šurjakinja — one's wife's brother's wife
  • Serbo-Croatian: šogorica — one's wife's brother's wife
  • Polish: siostra szwagra — one's brother-in-law or sister-in-law's sister
  • Polish: siostra szwagierki — one's brother-in-law or sister-in-law's sister
  • Portuguese: concunhada — one's brother-in-law or sister-in-law's sister
  • Spanish: concuñada — one's brother-in-law or sister-in-law's sister