Sing - SOU
- Singaporean
- single
- single ballot
- single goals
- Single Instruction Multiple Data
- single launch
- single monetary and credit system
- single out measures for priority treatment
- single resource countries
- single sideband
- single system of identification, classification and labelling of dangerous goods
- single-seat constituency
- single-warhead missile
- Sistema Econumico Latinoamericano (Latin American Economic System)
- sisterhood
- sit
- sit concurrently
- sit in continuous session
- sit in on the talks
- sit on
- sit on a committee
- sit on the bench
- sit strike
- sit-downer
- sitting
- sitting member
- sitting of a committee
- situation of insecurity
- situation of lasting security and stability
- situation of stability
- situation of strain
- six-monthly report
- Sixth Committee
- Sixth Committee (UN General Assembly)
- Sixth Conference of the Parties to the Framework Convention on Climate Change
- sizable increase
- size (обыкн. sizable up)
- size and nature of strategic weapons systems
- size of a mission
- size of mark
