sis

noun
\ ˈsis How to pronounce sis (audio) \

Definition of sis

 (Entry 1 of 3)

: sister usually used in direct address

Definition of SIS (Entry 2 of 3)

Secret Intelligence Service

Note: The Secret Intelligence Service is a British government agency that is responsible for the collection and analysis of information about foreign countries or groups.

plural -ses

Definition of -sis (Entry 3 of 3)

: process : action peristalsis

First Known Use of sis

Noun

1596, in the meaning defined above

History and Etymology for sis

Noun suffix

Latin, from Greek, feminine suffix of action

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Dictionary Entries near sis

siruaballi

sirup

sirvente

sis

SIS

-sis

sisal

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Time Traveler for sis

The first known use of sis was in 1596

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Rhyming Dictionary: Words that rhyme with sis

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of or relating to the heavens

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