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Definition of sis noun from the Oxford Advanced Learner's Dictionary

sis

noun
 
/sɪs/
 
/sɪs/
(informal)
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  1. sister (used when you are speaking to her)
    Word Originmid 17th cent.: abbreviation.
See sis in the Oxford Advanced American Dictionary
Check pronunciation: sis

Nearby words

buttercup
noun
 
 
From the Topic
Plants and trees
C2
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