Un-Greek

sb. and a. [UN-¹ 12 and 7. Cf. (in sense 1) Du. Ongriek, G. Ungrieche (Luther), older Da. Ugræke.]

  A.  sb. One who is not a Greek. rare.

1535.  Coverdale, Rom. i. 14. I am detter both to the Grekes, and to the vngrekes.

  B.  adj. Not Greek in character; not in accordance with Greek ideas or habits.

1846.  Keightley, Notes Virg. 332. Supplying … a totally un-Latin secundum, in Greek a κατά, which is for the most part quite as un-Greek.

1853.  Whewell, Grotius, III. 221. The slaughter of the Thebans, who had surrendered, was an un-Greek massacre.

1871.  Jowett, Plato, II. 33. One of the most remarkable conceptions of the Republic [of Plato], because un-Greek in character.