- The pope
- The serpent
- The services
- The shadow of his former self
- The shakes
- The sick
- The simple life
- The sons of men
- The soul of honour
- The star canopus
- The stuff
- The terror
- Thenceforth, thenceforward
- Theodolite
- Theodolitic
- Theological
- Theophanic
- Theophany
- Theoretician
- Theory
- Theosophic
- There is no saying
- There is room for improvement
- There you are
- Therefor
- Therefrom
- Thermal
- Thermal equator
- Thermoluminiscent
- Thermometer
- Thermomter
- Thermonuclear
- Thermostat
- Thew
- They
- Thick end of the stick
- Thick skin
- Thickening
- Thickness of voice
- Thicko
- Thieve
- Thievery
- Thieves
- Thievish
- Thighless
- Thinner end
- Third force
- Third party insurance
- Third time
- Thirstiness
- Thirsty
- Thirsty person
- Thirteen
- Thirunavaya
- This
- This and that
- Thoughtlessly
- Thoughts
- Thourough-fare
- Thoutlessness
- Thrashed grain
- Thrashing
- Thrashing machine
- Threaten
- Threateningly
- Three times five
- Three-quarter
- Threefold
- Threesome
- Threnody
- Thriller
- Thrips
- Throat-pain
- Throbbing
- Throe
- Throes
- Throng
- Throttle
- Throttle down
- Throughput
- Throw back
- Throw down the gauntlet
- Throw in the towel
- Throw oneself at
- Throwing up
- Thrown down
- Thrum
- Thrust
- Thruster
- Thud
- Thug life
- Thumb-mark
- Thumburu
- Thunder
- Thunderous
- Thursday
- Thwart
- Thymol seeds
- Thyroid
- Thyroxin