sis
noun
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
“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
The message reads, “Love you too 4L & After thank u sis appreciate it FR.”
From Los Angeles Times ● Nov. 14, 2022
Then Daddy says, “Your big sis came to surprise you, Rae!”
From "Odd One Out" by Nic Stone
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
“Obviously, the premiums are going to be higher, because they’re going to have higher claims,” says Cynthia Pruemm, founder and CEO of SIS Financial Group in Hoffman Estates, Illinois.
From Seattle Times ● Mar. 6, 2024
Sandu said that between October and December, Moldovan police and its Intelligence and Security Service, or SIS, have intervened in “several cases of organized criminal elements and stopped attempts at violence.”
From Washington Times ● Feb. 13, 2023
As head of the SIS and Yardley’s effective successor, William was closely watched.
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.
