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sis

[sis] /sɪs/
noun, Informal.
1.
Origin of sis
1825-1835
1825-35, Americanism; shortened form; compare Dutch zus for zuster sister

-sis

1.
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.
Origin
From Greek
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for sis
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British Dictionary definitions for sis

sis1

/sɪs/
noun
1.
(informal) short for sister

sis2

/sɪs; siːs/
interjection
1.
(South African, informal) an exclamation of disgust
Word Origin
Afrikaans, possibly from Khoi

SIS

abbreviation
1.
Also called MI6. (in Britain) Secret Intelligence Service
2.
(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
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Word Origin and History for sis
n.

1650s, abbreviated form of sister; in American English, applied generally to girls and young women (1859). It also was the familiar short form of Cecilie, Cicely, a common name for girls in the Middle English period.

-sis

suffix in Greek-derived nouns denoting action, process, state, condition, from Greek -sis, which is identical in meaning with Latin -entia, English -ing (1).

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for sis

sis

noun

  1. A sister: That's his sis with him (1656+)
  2. Woman; girl; chick • Used in direct address: What's up, sis? (1835+)

[a shortening of sister]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Nearby words for sis

Word Value for sis

3
3
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