sis
noun
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sis
1 American
[sis]
/ sɪs /
noun
Informal.
-sis
2
American
SIS
1
British
abbreviation
-
Also called: MI6. (in Britain) Secret Intelligence Service
-
(in New Zealand) Security Intelligence Service
sis
2
British
/ sɪs /
noun
sis
3
British
/ siːs, sɪs /
interjection
Etymology
Origin of sis1
1825–35, shortened form; compare Dutch zus for zuster sister
Origin of -sis2
From Greek
Vocabulary lists containing sis
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
You’ve said your sis won’t stop harping on your solution, which suggests there’s a deeper issue here.
From Slate ● Mar. 20, 2024
If we looking at her, we're all chanting for Coco because we wanted her to win, but at the same time it's like, well, sis, you didn't lose either.
From Salon ● Sep. 20, 2023
“Hey sis, what’s up? It’s been hot as hell over here,” read one of their messages, shared with The New York Times.
From New York Times ● Jun. 29, 2023
But your sis and brother-in-law didn’t “hurt” him in the sense of showing malice or intending harm.
From Washington Post ● Feb. 28, 2023
I got a theory that if a big brother looks out for his little sis he’s probably a good person, you know?
From "We Were Here" by Matt De La Peña
Sallay was promoted to head the SIS, Sri Lanka’s main intelligence agency, following Rajapaksa's victory, but was dismissed after Anura Kumara Dissanayake won the presidency in 2024, promising prosecutions of those behind the attacks.
From Barron's ● Feb. 25, 2026
Slovakia's domestic intelligence service, the SIS, has confirmed the claims, but has given few details.
From BBC ● Jan. 24, 2025
SIS Chief Richard Moore disclosed in July 2022 that China’s intelligence services are “extraordinarily well-resourced,” the report said.
From Washington Times ● Jul. 19, 2023
The SIS did not state when the foreign nationals arrived in Moldova, which countries they were from, or for whom they were allegedly working.
From Seattle Times ● Feb. 27, 2023
Helmick had identified William as the head of the SIS, and she had coyly suggested that the agency was breaking foreign codes.
From "The Woman All Spies Fear" by Amy Butler Greenfield
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
