SIS

See also: Appendix:Variations of "sis"

English

Proper noun

SIS

1. (British) Initialism of Secret Intelligence Service.
2. Initialism of Schengen Information System.

Synonyms

(Secret Intelligence Service):

• MI6, Six, 6
• Secret Intelligence Service

See also

(Secret Intelligence Service):

• GCHQ
• MI5
• SAS
• SBS

Noun

SIS

1. Initialism of second impact syndrome.
2. Initialism of snow immersion suffocation.
3. (education) Initialism of student information system.
4. Initialism of supervised injection site.
5. Acronym of share-in-savings.

See also

• (second impact syndrome): PCS, CTE

Anagrams

• ISS, SSI