"unblameable" (from a, negative, and memphomai, "to find fault"), is so rendered in 1Th 3:13, i.e., "free from all valid charge." See BLAME, B, No. 3.
see BLEMISH, B.
is used in 1Th 2:10, "unblameably," signifying that no charge could be maintained, whatever charges might be made. See BLAME, C.