A to Z Challenge: T

Tangential
Definition: of superficial relevance if any.
Sentence: It is terrific fun, but its relation to the theme remains tangential at best. 
            — The Guardian (Aug 26, 2011)

Tautological
Definition: repetition of same sense in different words.
Sentence: The expression sounds trite and tautological; but it needs emphasis.
            — Various

Tessellated
Definition: decorated with small pieces of colored glass or stone fitted together in a mosaic.
Sentence: Passing from one pavilion to another over tessellated pavements, we enter apartments rich in mosaics and all manner of precious stones. 
            — Henry Martyn Field

Theocracy
Definition: a political unit governed by a deity (or by officials thought to be divinely guided).
Sentence: For in theocracies, to the social evil of the offence is added the impiety committed against the Deity and his representative on earth. 
           — Albert Roville, Albert

Torpid
Definition: slow and apathetic.
Sentence: His energies are suspended, his senses become numbed and torpid—in short, he feels as one who goes to sleep in a snow-storm. 
          — Mayne Reid