sis

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sis

 (sĭs)
n. Informal
Sister.

sis

(sɪs)
n
informal short for sister

sis

(sɪs; siːs) or

sies

interj
informal South African an exclamation of disgust
[Afrikaans, possibly from Khoi]

SIS

abbreviation for
1. (Government, Politics & Diplomacy) Also called: MI6 (in Britain) Secret Intelligence Service
2. (Government, Politics & Diplomacy) (in New Zealand) Security Intelligence Service

sis

(sɪs)

n.
sister.
[1825–35, Amer.; shortened form]

-sis

a suffix appearing in loanwords from Greek, where it was used to form from verbs abstract nouns of action, process, state, condition, etc.: aphesis; thesis.
[< Greek]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sis - a female person who has the same parents as another personsis - a female person who has the same parents as another person; "my sister married a musician"
big sister - an older sister
female sibling - a person's sister
little sister - a younger sister
half sister, half-sister, stepsister - a sister who has only one parent in common with you
Translations

sis

n (inf)Schwesterherz nt (inf)