English Explanatory Dictionary

SIS

English dictionary entry

Meanings

name
  1. Initialism of Secret Intelligence Service.
  2. Initialism of Schengen Information System.
noun
  1. Initialism of second impact syndrome.
  2. Initialism of snow immersion suffocation.
  3. Initialism of student information system.
  4. Initialism of supervised injection site.
  5. Acronym of share-in-savings.
noun
  1. Clipping of sister.
noun
  1. plural of SI

Pronunciation

/sɪs/ LL-Q1860 (eng)-Vealhurl-sis.wav

Word forms

SIS sises sisses

Synonyms

MI6 Six 6 Secret Intelligence Service sissy

Related words

GCHQ MI5 SAS SBS PCS CTE sis boom bah

Derived words

sismance sismantic stepsis
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