mother-in-law

UK, US/ˈmʌ.ðəɹ.ɪnˌlɔː/cot caught merger/ˈmʌ.ðəɹ.ɪnˌlɑː/

noun

The mother of one's spouse.

Meanings

nounmother-in-law (plural mothers-in-law or (colloquial, nonstandard) mother-in-laws)

plural mothers-in-law · colloquial nonstandard plural mother-in-laws

  1. The mother of one's spouse.

    Odontophobia, or the fear of dental work, seems equally plausible, as does pentheraphobia - fear of the mother-in-law.

    2008 October 1, “Scared of this? You must be lutraphobic”, in The Daily Mail
    1 more example

    For I am come to ſet a man at variance* againſt his father, ⁊ the daughter againſt her mother, and the daughter in law againſt her mother in law.

    1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Matthew 10:35
  2. obsoleteA stepmother.

    Do but consider, my dear Mr. Dashwood, how excessively comfortable your mother-in-law and her daughters may live on the interest of seven thousand pounds,

    1811, Jane Austen, Sense and Sensibility
  3. uncountableA spicy Caribbean sauce made with peppers, carrots, onions, lime juice, etc.

Synonyms & antonyms

Origin

  1. Middle Englishmoder in lawe
  2. Englishmother-in-law

From Middle English moder in lawe; equivalent to mother + -in-law.

Full word history & related roots →

Translations

Afrikaans skoonmoeder
  • skoonmoederspouse's mother
Ancient Greek πενθερά, ἑκυρά
  • πενθερά (pentherá)spouse's mother
  • ἑκυρά (hekurá)spouse's mother
Arabic حَمَاة
  • حَمَاة (ḥamāh)spouse's mother
Basque amaginarreba
  • amaginarrebaspouse's mother
Bulgarian свекъ́рва, тъ́ща
  • свекъ́рва (svekắrva)spouse's mother
  • тъ́ща (tắšta)spouse's mother
Catalan sogra
  • sograspouse's mother
Chinese Mandarin 婆婆, 岳母
  • 婆婆 (pópo)spouse's mother
  • 岳母 (yuèmǔ)spouse's mother
  • 丈母娘 (zhàngmuniáng)spouse's mother
Czech tchýně, tchyně
  • tchýněspouse's mother
  • tchyněspouse's mother
Danish svigermor
  • svigermorspouse's mother
Dutch schoonmoeder
  • schoonmoederspouse's mother
Esperanto bopatrino
  • bopatrinospouse's mother
Estonian ämm
  • ämmspouse's mother
Finnish anoppi
  • anoppispouse's mother
French belle-mère
  • belle-mèrespouse's mother
German Schwiegermutter, Schwäherin
  • Schwiegermutterspouse's mother
  • Schwäherinspouse's mother
Greek πεθερά
  • πεθερά (petherá)spouse's mother
Hebrew חָמוֹת, חוֹתֶנֶת
  • חָמוֹת (khamót)spouse's mother
  • חוֹתֶנֶת (khoténet)spouse's mother
Hindi सास
  • सास (sās)spouse's mother
Hungarian anyós
  • anyósspouse's mother
Icelandic tengdamamma, tengdamóðir
  • tengdamammaspouse's mother
  • tengdamóðirspouse's mother
  • tengdóspouse's mother
Indonesian mertua perempuan, ibu mertua
  • mertua perempuanspouse's mother
  • ibu mertuaspouse's mother
Irish máthair chéile
  • máthair chéilespouse's mother
Italian suocera
  • suoceraspouse's mother
Japanese 姑, 義母
  • 姑 (shūtome)spouse's mother
  • 義母 (gibo)spouse's mother
  • 義理の母 (giri-no-haha)spouse's mother
Korean 시어머니, 장모
  • 시어머니 (sieomeoni)spouse's mother
  • 장모 (jangmo)spouse's mother
Latin socrus, socra
  • socrusspouse's mother
  • socraspouse's mother
Lithuanian uošvė, anyta
  • uošvėspouse's mother
  • anytaspouse's mother
Malay ibu mertua, emak mertua
  • ibu mertuaspouse's mother
  • emak mertuaspouse's mother
Māori hungarei, hungawai
  • hungareispouse's mother
  • hungawaispouse's mother
Norwegian Bokmål svigermor
  • svigermorspouse's mother
Persian مادرشوهر, مادرزن
  • مادرشوهر (mâdar-šowhar)spouse's mother
  • مادرزن (mâdar-zan)spouse's mother
  • خشو (xošu)spouse's mother
Polish teściowa, świekra
  • teściowaspouse's mother
  • świekraspouse's mother
Portuguese sogra
  • sograspouse's mother
Punjabi ਸੱਸ, سَسّ
  • ਸੱਸ (sassa)spouse's mother
  • سَسّ (sass)spouse's mother
Romanian soacră, mamă-soacră
  • soacrăspouse's mother
  • mamă-soacrăspouse's mother
Russian свекро́вь, свекру́ха
  • свекро́вь (svekróvʹ)spouse's mother
  • свекру́ха (svekrúxa)spouse's mother
  • тёща (tjóšča)spouse's mother
Scottish Gaelic màthair-chèile
  • màthair-chèilespouse's mother
Slovak svokra, svekruša
  • svokraspouse's mother
  • svekrušaspouse's mother
Spanish suegra
  • suegraspouse's mother
Swahili mama mkwe
  • mama mkwespouse's mother
Swedish svärmor
  • svärmorspouse's mother
Tagalog biyanang-babae
  • biyanang-babaespouse's mother
Tamil மாமியார்
  • மாமியார் (māmiyār)spouse's mother
Thai แม่สามี, แม่ยาย
  • แม่สามี (mɛ̂ɛ-sǎa-mii)spouse's mother
  • แม่ยาย (mɛ̂ɛ-yaai)spouse's mother
  • แม่ผัว (mɛ̂ɛ-pǔua)spouse's mother
Turkish kaynana, kayınvalide
  • kaynanaspouse's mother
  • kayınvalidespouse's mother
  • hanımannespouse's mother
Ukrainian свекру́ха, те́ща
  • свекру́ха (svekrúxa)spouse's mother
  • те́ща (téšča)spouse's mother
Urdu ساس
  • ساس (sās)spouse's mother
Vietnamese mẹ chồng, mẹ vợ
  • mẹ chồngspouse's mother
  • mẹ vợspouse's mother
Welsh chwegr, mam yng nghyfraith
  • chwegrspouse's mother
  • mam yng nghyfraithspouse's mother
Yiddish שוויגער
  • שוויגער (shviger)spouse's mother
Cite this entry
APA

mother-in-law. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/mother-in-law

MLA

“mother-in-law.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mother-in-law. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “mother-in-law,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/mother-in-law.

Source: mother-in-law on Wiktionary, CC BY-SA 4.0.