SIS

sister, sis

(noun) a female person who has the same parents as another person; “my sister married a musician”

Source: WordNet® 3.1


Noun

sis (plural sises or sisses)

(informal) Clipping of sister.

Synonyms

• (sister): sissy

Anagrams

• ISS, SSI

Proper noun

SIS

(British) Initialism of Secret Intelligence Service.

Initialism of Schengen Information System.

Synonyms

(Secret Intelligence Service)

• MI6, Six, 6

• Secret Intelligence Service

Noun

SIS (uncountable)

Initialism of second impact syndrome.

Initialism of snow immersion suffocation.

Anagrams

• ISS, SSI

Source: Wiktionary


Sis, n.

Definition: A colloquial abbreviation of Sister.

Sis, n.

Definition: Six. See Sise. [Obs.] Chaucer.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

29 May 2025

CRITICAL

(adjective) characterized by careful evaluation and judgment; “a critical reading”; “a critical dissertation”; “a critical analysis of Melville’s writings”


coffee icon

Coffee Trivia

The first coffee-house in Mecca dates back to the 1510s. The beverage was in Turkey by the 1530s. It appeared in Europe circa 1515-1519 and was introduced to England by 1650. By 1675 the country had more than 3,000 coffee houses, and coffee had replaced beer as a breakfast drink.

coffee icon