in the speech of Lycaonia

Boyd’s Bible Dictionary:

(wolf-land). Wild district of Asia Minor, containing towns of Derbe, Lystra, and Iconium (Acts 14:6-11). Twice visited by Paul.

Concise Bible Dictionary:

District nearly in the center of Asia Minor, in which were Lystra, Derbe, and Iconium (Acts 14:6,11).

Strong’s Dictionary of Greek Words:

Greek:
Λυκαονιστί
Transliteration:
Lukaonisti
Phonic:
loo-kah-on-is-tee’
Meaning:
adverb from a derivative of 3071; Lycaonistically, i.e. in the language of the Lycaonians
KJV Usage:
in the speech of Lycaonia