- steam up
- stealing
- stay
- staunch
- static
- stash
- spiff
- starving
- sad colour
- starvation
- stygian
- startling
- startle
- staple
- stand-off
- stand-in
- standard
- sour grapes
- sand ridges
- stand up
- stand out
- stand by
- stand
- severest
- stall
- stalk
- stake
- staid
- stage
- stadium
- stab someone
- squirt
- squire
- squad
- stupor
- spy
- spruce
- spoken word
- spying
- spree
- spread
- spouse
- spotty
- spotted
- spotless
- spray
- sporadic
- sponger
- splice
- spite
- spit
- spirited
- spirit someone, spirit something
- spine-chilling
- spill the beans
- spherical
- snakebite
- spent
- spell
- spar
- sound
- sound
- sound
- swine flu
- soulful
- sound
- sort of
- sequin
- sorrowful
- sorrow
- state
- sim
- soothe
- sooner
- song and dance
- song
- somewhat
- soliloquy
- solidify
- solicitor
- soldier on
- somehow
- someday
- solace
- soften
- sodden
- seraphim
- socialism
- so-called
- sobriety
- sniff at disdain
- swallow a camel
- symposiac
- strewn
- snazzy
- snarl
- snap out of
- snap
- suspensory
- snag