- Treatise
- Tree line
- Tree-branch
- Treed
- Treeless
- Tribal
- Tribe
- Tribesman
- Tribulation
- Tribune
- Trichotomy
- Trick of the trade
- Trick somebody into
- Trickling
- Tricksy
- Tricolor
- Tricycle
- Trifle with
- Trifling matter
- Trigonometric
- Trikuta mountain
- Trilemma
- Trillion
- Trilogy
- Trimaran
- Trina vera
- Trinkets
- Trope
- Tun
- Tropic of cancer
- Tropical
- Troposphere
- Trotskyism
- Troubled
- Troublemaker
- Trounce
- Trout
- Trritated
- Truckle-bed
- Truculent
- True
- True blue
- True character
- Truly
- Trump card
- Trunacy
- Truncheon
- Tubectomy
- Tuberous root
- Tubiculous
- Tubiform
- Tuck
- Tuesday
- Tufted hair
- Tulle
- Tumbleweed
- Tummy
- Tumor
- Turn against somebody
- Turn and rend
- Turn and turn about
- Turn away from
- Turn down
- Turn in
- Turn on
- Turn ones back on
- Turn persons flank
- Turn round
- Turn up trumps
- Turning circle
- Turnout
- Tusker
- Twinge
- Twinning
- Twirl
- Twist round ones little finger
- Twite bird
- Twitterati
- Two days
- Two-headed
- Two-seater
- Two-wheeled
- Takyon
- Take someone under ones wing
- Take something personally
- Take stock
- Take stock in
- Take stock of
- Take the biscuit
- Tetrapod
- Take the field
- Take the gauge of
- Take the helm of
- Take the law in ones hands
- Tea-kettle
- Tea-tray
- Teach an old dog new tricks
- Tear
- Tear down
- Tear gas