- The shakes
- The sick
- The simple life
- The sons of men
- The soul of honour
- The star canopus
- The stuff
- The terror
- Thenceforth, thenceforward
- The west
- The whole nine yards
- The wicked
- The wide world
- Theater
- Theatricals
- Their
- Theism
- Then
- Then and there
- Thenceforth
- There is room for improvement
- There you are
- Therefor
- Therefrom
- Thermal
- Thermal equator
- Thimble-rig
- Thin skinned
- Thing
- Think again
- Think big
- Think fit
- Think little
- Think well of
- Thinker
- Thiswise
- Thither
- Thiyyas
- Tholas
- Thong
- Thorium
- Thoroughfare
- Thoroughness
- Those
- Thou
- Though
- Thoughtful
- Three times five
- Three-quarter
- Threefold
- Threesome
- Threnody
- Thriller
- Thrips
- Throat-pain
- Throbbing
- Throe
- Thrust
- Thruster
- Thud
- Thug life
- Thumb-mark
- Thumburu
- Thunder
- Thunderous
- Thursday
- Thwart
- Thymol seeds
- Thyroid
- Thyroxin
- Tied to one's mother's apron strings
- Tied-house
- Tiff
- Tiger by the tail
- Tiger skin
- Tight corner of spot
- Tight-lipped
- Tight-rope
- Tighten
- Tigon
- Tigress
- Til oil
- Tile
- Tile-stone
- Till
- Time-fuze
- Time-switch
- Timely
- Times
- Timesheet
- Timetested
- Timidity
- Timidly
- Timpani
- Tin man
- Tinctorial
- Tire
- Tirelessly
- Tiresome
- Titchy