Abbott-Smith Manual Greek Lexicon
προπετής (G4312)
2 προπετής , -ές ( προπίπτω ), [in LXX: Pr 10:14 ( אֱוִיל ) 13:3 ( פֹּשׂק ) Si 9:18 *;] falling forwards , headlong . Metaph., precipitate , rash , reckless : of persons, II Ti 3:4 ; of things, Ac 19:36 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain