/ Dictionary / Index T Thessalonians: Meaning and Definition of Find definitions for: Thes•sa•lo•ni•ans Pronunciation: (thes"u-lō'nē-unz), [key] — n. (used with a sing. v.) either of two books of the New Testament, I Thessalonians or II Thessalonians, written by Paul. Abbr.: Thes., Thess. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: thessalonians (Thesaurus) Thessalonian Thessalonike Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language