- Third man
- Third party
- Third world
- Thirstily
- Thirty
- Thiruvanchikulam
- Thoughtfulness
- Thousandth
- Thraldom
- Thrash
- Thread
- Thread-worm
- Threadfin bream
- Threat
- Three
- Three kinds
- Three months
- Three-hour
- Three-leaved
- Three-wheeled
- Thresh
- Thriftily
- Thrilled
- Thriving
- Throat
- Throated
- Throaty
- Thug
- Thuggism
- Thumb
- Thunder-shower
- Thunderstone
- Thunderstruck
- Thundery
- Thus
- Thyroid gland
- Tiara
- Tiger
- Tiger moth
- Tiger-cat
- Tighten ones belt
- Tighten the net
- Tightening
- Tilt at
- Tilth
- Timbre
- Timbuktu
- Time
- Time and again
- Time and tide waits for no man
- Time factor
- Time killing
- Time measuring
- Time travel
- Time-exposure
- Time-worn
- Timebound
- Timescale
- Timetable
- Timing
- Timorous
- Tinder
- Tine
- Tinfoil
- Ting-a-ling
- Tinker
- Tinnitus
- Tinny
- Tinospora cordifolia
- Tint
- Tiny
- Tiolet-paper
- Tip-over
- Tip-up
- Tipper lorry
- Tipple
- Tiredly
- Tiredness
- Tireless
- Tiresomeness
- Tiring
- Tissue culture
- Titanium
- Tithe barn
- Title
- Title-holder
- Titrate
- Tits
- Titter
- To be attached
- To be benumbed
- To be burdened
- To be buried
- To be carried out
- To be charred
- To be congested
- To be over-hasty
- To be overturned
- To be proved
- To be repaid