T
- Taciturn - (adj.) disinclined to talk or speak
- Tangent - (noun) often unrelated; a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point
- Tantamount - (adj.) being essentially equal to something
- Tawdry - (adj.) cheap and shoddy; tastelessly showy
- Tenacious - (adj.) sticking together; good at remembering; stubbornly unyielding
- Tenuous - (adj.) very thin in gauge or diameter; having thin consistency; having little substance or significance
- Tranquil - (adj.) free from agitation or worry; calm
- Transient - (noun) in Physics, a short-lived oscillation in a system caused by a sudden change of voltage or current or load; lasting a very short time
- Truculence - (noun) obstreperous and defiant aggressiveness
- Truncate - (verb) to shorten
- Turbulence - (noun) unstable flow of a liquid or gas; a state of violent disturbance and disorder; instability