- 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
- Throes
- Throng
- Throttle
- Throttle down
- Throughput
- Throw back
- Throw down the gauntlet
- Throw in the towel
- Throw oneself at
- Throwing up
- Thrown down
- Thrum
- Tick over
- Ticket
- Tickling
- Ticklish
- Tide-table
- Tide-wave
- Till death
- Tillable
- Tilt
- Timber-line
- Time card
- Time frame
- Time was
- Tincture
- Ting
- Tinge
- Tinkle
- Tinned
- Tip staff
- Tipped
- Tipsy
- To be asthmatic
- To be bewildered
- To be coagulated
- To be covered
- To be crambed
- To be delivered
- To be determined
- To be frightened
- To be fulfilled to
- To be going to
- To be in the same boat
- To be offended
- To become able
- To become big
- To become complete
- To become enslavened
- To become full
- To become satisfied
- To begin
- To bet
- Tow
- To bid farewell
- To blame
- To bloat
- To borrow
- To cleanse
- To comb
- To command
- To confess under duress
- To control ones passions
- To cross