Thessalonian
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): ( n.) A native or inhabitant of Thessalonica.
(2): ( a.) Of or pertaining to Thessalonica, a city of Macedonia.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]
( Θεσσαλονικεύς ), the designation ( Acts 26:4; 1 Thessalonians 1:1; 2 Thessalonians 2:1; " Of Thessalonica ," Acts 27:2) of an inhabitant of Thessalonica (q.v.).