Word.ws English Dictionary

sis

/sɪs/

sis is the clipping of sister.

sis is the pronunciation spelling of six.

Meaning of sister

Noun

sister (plural sisters or (archaic in most senses) sistren)

  1. A daughter of the same parents as another person; a female sibling.
    • My sister is always driving me crazy.
    Synonyms:
    sis
    Antonyms:
    brother
  2. A female member of a religious order; especially one devoted to more active service; (informal) a nun.
    • Michelle left behind her bank job and became a sister at the local convent.
    Synonyms:
    nun
  3. Any butterfly in the genus Adelpha, so named for the resemblance of the dark-colored wings to the black habit traditionally worn by nuns.
  4. (UK) A senior or supervisory nurse, often in a hospital.
    Synonyms:
    charge nurse
  5. Any woman or girl with whom a bond is felt through the same biological sex, gender or common membership in a community, race, profession, religion, organization, or ism.
    • Connie was very close to her friend Judy and considered her to be her sister.
  6. (capitalized, slang, sometimes, African-American Vernacular) A black woman.
    • A fly sister rolled in with a suitcase full of hip-hop novels called The Glamorous Life, and an African brother with long dreads wanted to sell them some incense and some fake Jacob watches.2006, Noire [pseudonym], Thug-A-Licious: An Urban Erotic Tale, New York, N.Y.: One World, Ballantine Books, →ISBN, page 169

See all 17 meanings of sister

Meaning of six

Noun

six (plural sixes)

  1. A group or set with six elements.
  2. The digit or figure 6.
    • how about 100 then? for 100, I wanted to pay homage to the people who have been using seximal this entire time. specifically, I used the word for six sixes found in the Ndom language, "nif".(Can we date this quote?), jan Misali, “what to call the numbers”, in seximal.net
  3. A playing card featuring six pips.
  4. A person who is six years old.
    • The fives and sixes will have a snack first, then the older kids.
  5. Six o'clock.
    • In Austria the prisoners rise at five, [...]. There are morning prayers at a quarter to six, after which the prisoners are conducted to work.1838, Francis Bisset Hawkins, chapter XIII, in Germany: The Spirit of Her History, Literature, Social Condition and National Economy, Illustrated by Reference to Her Physical, Moral and Political...
  6. (slang, by ellipsis of six o'clock) Rear, behind (rear side of something).
    • cover my six

See all 12 meanings of six

Proper noun capitalized: SIS

SIS

  1. (UK, abbreviation, initialism) Initialism of Secret Intelligence Service.
  2. (abbreviation, initialism) Initialism of Schengen Information System.

Noun (1) capitalized: SIS

SIS

  1. (abbreviation, initialism) Initialism of second impact syndrome.
  2. (abbreviation, initialism) Initialism of snow immersion suffocation.
  3. (abbreviation, initialism) Initialism of student information system.
  4. (abbreviation, initialism) Initialism of supervised injection site.
  5. (abbreviation, acronym) Acronym of share-in-savings.
  6. (abbreviation) Abbreviation of supplementary international search.

Noun (2) capitalized: SIs

SIs

  1. (plural) plural of SI

Synonyms of sis

Forms of sis

pluralsises
pluralsisses

Words formed from sis

Words that rhyme with sis

22 more rhymesFewer rhymes

Questions about sis

What is sis the clipping of?
Sis is the clipping of sister.
What part of speech is sis?
Sis can be a proper noun or a noun.
How do you pronounce sis?
Sis is pronounced /sɪs/.

Words near sis in the dictionary

  1. sirventes
  2. sirwal
  3. sirwals
  4. siryah
  5. sirystes
  6. sis
  7. sis boom bah
  8. Sisak
  9. Sisak-Moslavina
  10. Sisaket
  11. sisal

Source and license

Adapted from Wiktionary: sis (page history and authors); SIS (page history and authors); SIs (page history and authors); sister (page history and authors); six (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.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-sis.wav.

Cite this entry: “sis.” Word.ws, https://word.ws/sis. Based on Wiktionary, CC BY-SA 4.0.