Meanings
sis1
nounsis (plural sises or sisses)
- abbreviationclippinginformalClipping of sister.
big sis
2 more examples
My sis is tying the knot. I want you to play for the reception.
1980, Stephen King, The Wedding GigCall me when ur 3 year old daughter knows SZA lyrics, girl said “you still playin the pick me, I’m still playin the victim” we don’t care if it’s backwards sis learned that all on her own 🥹
2023 January 3, amanda 🍒(@ amc0124), TwitterSynonyms: sissy
sis2
noun
- pronunciation spellingPronunciation spelling of six
sis3
noun
- pluralplural of si
SIS4
proper noun
- UKabbreviationinitialismInitialism of Secret Intelligence Service.
Synonyms: MI6, Six, 6, Secret Intelligence Service
- abbreviationinitialismInitialism of Schengen Information System.
noun
- abbreviationinitialismInitialism of second impact syndrome.
- abbreviationinitialismInitialism of snow immersion suffocation.
- abbreviationinitialismeducationInitialism of student information system.
- abbreviationinitialismInitialism of supervised injection site.
- abbreviationacronymAcronym of share-in-savings.
- abbreviationintellectual propertyAbbreviation of supplementary international search.
SIs5
noun
- pluralplural of SI
Synonyms & antonyms
More synonyms by meaning
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Arabic أخت, أخوات
- أختsister
- أخواتsister
Chinese Mandarin 姐妹
- 姐妹 (jiěmèi)sister
Danish søs
- søssister
Esperanto franjo
- franjosister
Finnish systeri
- systerisister
French frangine, sœurette
- franginesister
- sœurettesister
German Schwesterchen
- Schwesterchensister
Japanese 姉ちゃん, 姉
- 姉ちゃん (nēchan)sister
- 姉 (nē)sister
Malay kak
- kaksister
Portuguese irmãzinha, maninha
- irmãzinhasister
- maninhasister
Russian сестрёнка, сестри́ца
- сестрёнка (sestrjónka)sister
- сестри́ца (sestríca)sister
- сестри́чка (sestríčka)sister
Swedish syrra
- syrrasister
Thai พี่สาว, พส.
- พี่สาว (pîi-sǎao)sister
- พส. (pɔɔ-sɔ̌ɔ.)sister
Ukrainian сестриця, сестричка
- сестриця (sestrycja)sister
- сестричка (sestryčka)sister
Rhymes & wordplay
Rhymes with sis
thisChrisswisskissdisLuiscisvisblissbisdismisssufficedissabysstriscrishissaniseamissbrisremissprissarrisciss
All rhymes →Sounds the same
Cite this entry
APA
sis. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/sis
MLA
“sis.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sis. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “sis,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/sis.
Source: sis on Wiktionary, CC BY-SA 4.0.