TANGIBLE: Real; actual - tangible gains which may be seen, and counted. Synonyms: material, veritable, perceptible, substantial.
TANTAMOUNT: Equivalent - an act that is tantamount to treason.
TAUNT (verb). To reproach with contempt - taunted him with the charge of failure to act promptly. Synonyms: mock, twit, gibe, sneer, deride. (noun): An insulting, jeering, or bitter remark - hurled taunts at his foes.
TEEMING: In abundance, fertile, highly productive - the teeming tropics, rank with vegetation. Synonyms: swarming, fruitful, fecund, abounding.
TEMERITY: Unwise or reckless boldness - leaped into battle with thoughtless temerity. Synonyms: audacity, presumptuousness, effrontery, rashness; (adj.) temerarious, foolhardy, venturesome. Antonyms: prudence, circumspection, wariness.
TEMPORAL: Worldly, as opposed to spiritual; existing for a time only - a man preoccupied with temporal matters. Synonyms: mundane, secular, civil.
TEMPORIZE: To delay or refuse to commit oneself in order to gain time - temporized while his friends hurried to his aid. Synonym: equivocate.
TENET: A principle of belief held as true - a tenet of religion which be maintained loyally. Synonyms: creed, doctrine, dogma.
TENUOUS: Slender; not substantial; of slight importance - clung desperately to his tenuous hope.
TRANQUIL: Calm; peaceful - a tranquil summer night. Synonyms: placid, serene. Antonyms: perturbed, ruffled, turbulent.
TRANSGRESS: To break a law or command; to violate a moral principle; to overstep a moral bound or limit - transgressed the bounds of decency; transgressed the law.
TREMULOUS: Trembling - tremulous with fright. Synonym: quivering.
TRIVIAL: Of little - importance - a trivial offense. Synonym: paltry. Antonyms: gross, momentous.
TRUCULENT (noun: TRUCULENCE): Cruel, fierce; harsh; threatening or intimidating savagely - a dispute marked by a truculent attitude on both sides.
TURGID: (1) Swollen, inflated - turgid rivers overflowing their banks. Synonyms: bloated, distended. (2) Using big or high-sounding words - a turgid prose style. Synonyms: pompous, bombastic, prolix.