Abbott-Smith Manual Greek Lexicon
ἄγριος (G66)
3 ἄγριος , -α, -ον ( ἀγρός ), [in LXX for שָׂדֶה , etc.;] living in fields, wild : μέλι . Mt 3:4 , Mk 1:6 . savage, fierce : Ju 13 . (Cf. usage in π. of a malignant wound; MM, VGT , s.v.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain