Glossary of words and phrases/S


 * Safe-conduct
 * Salvo
 * Sapper (rank)
 * Sapping
 * Scout
 * Seaman
 * Seaplane
 * Sergeant (rank)
 * Sergeant Major (rank)
 * Shell (projectile)
 * Shell Shock
 * Shrapnel
 * Shrapnel shell (weaponry)
 * Siege gun
 * Sights
 * Signaller (rank)
 * Small arms
 * Sniping
 * Somme
 * Southern Front
 * Spare General
 * Specialists
 * Spies
 * Spirit of the bayonet
 * Squadron (military unit)
 * Stahlhelm
 * Stealth raid
 * Stick bomb
 * St. John Ambulance Brigade
 * Storm Troops
 * Strategy
 * Strength, On the
 * Stretcher bearer
 * Stumer
 * Stunt
 * Strafe, To
 * Stokes mortar
 * Submarine
 * Suicide Club
 * Suicide Corner