Boyd’s Bible Dictionary:
(God-impelled). Son of Rechab, and adherent of Jehu (2 Kgs. 10:15-23; Jer. 35:6).
Concise Bible Dictionary:
1. Son of Shimeah and nephew of David: he subtly led his cousin Amnon into sin (2 Sam. 13:3,5,32,35).
2. Son of Rechab the founder of the Rechabites. Jehu took him with him to see his zeal for the Lord. He also is called JEHONADAB (2 Kings 10:15,23; Jer. 35:6-19).
Strong’s Dictionary of Hebrew Words:
Transliteration:
Yawnadab
Meaning:
a form of 3082; Jonadab, the name of an Israelite and of a Rechabite
Jackson’s Dictionary of Scripture Proper Names:
Jehovah is willing giver
Potts’ Bible Proper Names:
He gave freely; Jehovahlargessed:―name of an Israelite, also of a Rechabite [JEHONADAB], Jer. 35:6. {Libere dedit}