Matthew 3:1ἐρήμῳ
In those days John the Baptist came, preaching in the wilderness of Judea
Mark 1:3ἐρήμῳ
“A voice of one calling in the wilderness, ‘Prepare the way for the Lord, make straight paths for Him.’”
Luke 3:2ἐρήμῳ
during the high priesthood of Annas and Caiaphas, the word of God came to John son of Zechariah in the wilderness.
John 1:23ἐρήμῳ
John replied in the words of Isaiah the prophet: “I am a voice of one calling in the wilderness, ‘Make straight the way for the Lord.’”
Acts 1:20ἔρημος
“For it is written in the book of Psalms: ‘May his place be deserted; let there be no one to dwell in it,’ and, ‘May another take his position.’
Revelation 12:6ἔρημον
And the woman fled into the wilderness, where God had prepared a place for her to be nourished for 1,260 days.

Abbott-Smith

ἔρημος
(in older Gk. ἔρῆμος), -ον [in LXX chiefly for מִדְבָּר ;]
solitary, lonely, desolate, deserted:

(a) of persons, γυνή, Gal.4:27 (LXX);

(b) of places, Mat.14:13, 15 23:38 (WH, om.), Mrk.1:36 6:32, Luk.4:42 9:12, al.; as subst., ἡ ἔ. (sc. χώρα; as in Hdt., ii, 32, al.), the desert, Mat.3:1, 3, Mrk.1:3-4, Jhn.3:14, al.; pl., αἱ ἔ., desert places, Luk.1:80 5:16 8:29
(AS)

Sources: Abbott-Smith’s Manual Greek Lexicon of the New Testament (1922, public domain) and glosses from STEPBible TBESG (CC BY 4.0); STEPBible TAGNT (Greek New Testament, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.