Tacit (adj): implied, not spoken but understood

Your silence may be taken to mean tacit agreement.

Taciturn ( adj): untalkative by nature

The chairman was so taciturn that we often discovered that we had absolutely no idea what he was thinking.

Tangential ( adj): only superficially related to the matter at hand; not especially relevant; peripheral

The vice president’s speech bore only a tangential relationship to the topic that had been announced.

Tangible ( adj): touchable, palpable

Tantamount ( adj) equivalent to

Waving a banner for the visiting team at a that football game would be tantamount to committing suicide; the home-team fans would tear you apart in a minutes.

Tautological (adj) redundant, circular

‘when everyone has a camera, cameras will be universal’ is a tautological statement, because ‘everyone having a camera’ and ‘cameras being universal’ means the same thing.

Temerity (n) boldness; recklessness; audacity

Our waiter at the restaurant had the temerity to tell me he thought my table manners were atrocious

Temperate (adj) mild; moderate, restrained

Tenable (adj) defensible, as in one’s position in an argument; capable of being argued successfully; valid

Members of the flat Earth society continue to argue that the earth is flat, although even children dismiss their arguments as untenable

Tenacious (adj): persistent, stubborn, not letting go

The foreign student’s tenacious effort to learn English won him the admiration of all the teachers at our school

Tenet (n): a shared principle or belief

The tenets of his religion prohibited him from dancing and going to movies.

Tentative (adj) experimental, temporary, uncertain

Tenuous ( adj) flimsy, extremely thin

The organization’s financial situation has always been tenuous, the balance of the checking accountingis usually close to zero.

Terse (adj) using no unnecessary words, succinct

The new recording secretary’s minutes were so terse that they were occasionally cryptic.

Theology (n) the study of God or religion

He was a paradox: he was an atheist, yet he passionately studied theology.

Tirade (n) prolonged, bitter speech

Preston launched into a tirade against imitation cheese on the school lunch menu.

Torpor (n) sluggishness; inactivity, apathy

After consuming the guinea pig, the boa constrictor fill into stat of contented  torpor that lasted several days.

The math teacher tried to reduce the torpor of his students by banging on his desk

 

Touchstone (n) a standard, a test of authenticity or quality

The size of student’s vocabulary is a useful touchtone for judging the quality of his or her education.

Tout (v) to praise highly, to brag publicly about

Presenters touted the chocolate-flavored toothpaste as getting rid of your sweet tooth while saving your teeth.

Transcend (v) to go beyond or above, to surpass (preeminent)

The man who claimed to have invented a perpetual motion machine believed that he had transcended the laws of physics.

Transgress (v) to violate, to sin

The other side had transgressed so many provisions of the treaty that we had no choice but to go to war.

Transient (adj) not staying for a long time, temporary

The transient breeze provided some relief from the summer heat, but we were soon perspiring again.

Sometimes transient (n) refers to Hoboes, mendicants, and other homeless people

Trepidation (n) fear, apprehension, nervous trembling

The nursery school students were filled with trepidation when they saw the other children in their class dressed in their Halloween costumes

Antonyms: Intrepid

Turpitude ( n) shameful wickedness, depravity

Jhon was sacked by his because of a flagrant act of turpitude: he was caught.