Other definitions for -sis (2 of 2)
a suffix appearing in loanwords from Greek, where it was used to form from verbs abstract nouns of action, process, state, condition, etc.: thesis; aphesis.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use sis in a sentence
According to big sis Kate, she can—if she leaves school behind.Kate Moss Advises Younger Sister to Drop Out of School; Rachel Roy Wins Preliminary Hearing With Parent Company | The Fashion Beast Team | May 19, 2014 | THE DAILY BEAST
The Brothers Rodham, you may recall, have their own distinguished history of causing headaches for Big sis.StopHillary Super PAC Goes After McAuliffe in Virginia Race | Michelle Cottle | September 18, 2013 | THE DAILY BEAST
Put another way, having penetrated the sis, he was then able to penetrate the CIA.
sis Wolf, han' sis Rabbit dat rickin'-cheer dar, 'kaze 't aint no one step fum her house ter mine.'Nights With Uncle Remus | Joel Chandler Harris
He lugged in his arms, sis, a stove and a bed, And balanced a bureau right square on his head.The Book of Humorous Verse | Various
I say, Dink, they both wanted to be remembered to you, and here's a note from sis.The Varmint | Owen Johnson
"She didn't drag me out, sis; it was I who suggested it," interposed Horace.The Nicest Girl in the School | Angela Brazil
Agamogenesis, a-gam-o-jen′e-sis, n. reproduction without sex, found among lower animals and in plants.
British Dictionary definitions for sis (1 of 3)
informal short for sister
British Dictionary definitions for sis (2 of 3)
Southern African informal an exclamation of disgust
British Dictionary definitions for SIS (3 of 3)
Also called: MI6 (in Britain) Secret Intelligence Service
(in New Zealand) Security Intelligence Service
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012