Lexical Definition

‎βίαιος‎ bíaios (bee'-ah-yos) strong ^G:A
from ‎βία‎

mighty.

• violent

Abbott-Smith

βίαιος, -α, -ον (< βία), [in LXX for אָנַשׁ, עַז, צַר, etc.;]
violent: Ac 2:2.†

Abbott-Smith References

Liddell-Scott-Jones

βίαιος [ῐ], α, ον,

also ος, ον [Refs 5th c.BC+]: (βία):— forcible, violent: adjective once in [Refs 8th c.BC+], adverb twice, by force, perforce, κατέδουσι βιαίως οἶκον Ὀδυσσῆος [Refs]; frequently in all writers, ἔργα β. [Refs 6th c.BC+]; of persons, βιαιότατος τῶν πολιτῶν [Refs 5th c.BC+]; β. θάνατος a violent death, [Refs 5th c.BC+]; ὁ πόλεμος β. διδάσκαλος teaches by violence, [Refs 5th c.BC+]; δίκη βιαίων an action for forcible rescue, [Refs 1st c.AD+]; τοῖς β. or τῶν βιαίων ἔνοχος, [Refs 5th c.BC+]; βιαίων [ἐγκαλεῖ] [Refs 4th c.BC+], obligationes ex delicto, [Refs 5th c.BC+]. adverb βιαίως, ἀποθανεῖν [Refs 5th c.BC+]; β. σέλμα σεμνὸν ἡμένων in their irresistible might, [Refs 4th c.BC+]; χαλεπῶς καὶ β. by struggling and forcing their way, [Refs 5th c.BC+]; firmly, σχεδίας β. ζεύξαντες [Refs 2nd c.BC+]: neuter plural as adverb, [Refs 4th c.BC+]

__2 especially of magic, β. τέχνη [Refs 2nd c.AD+] adverb βιαίως, σοφός a wizard, [Refs]
__II passive, forced, constrained, opposed to ἑκούσιος, πράξεις [Refs 5th c.BC+]; β. κίνησις, ={παρὰ φύσιν κ}., [Refs 5th c.BC+]; τὸ β., ={οὗ ἔξωθεν ἡ ἀρχὴ μηδὲν συμβαλλομένου τοῦ βιασθέντος} [Refs 4th c.BC+]; ἡ β. τροφή, of the diet of athletes, [Refs]; ὁ χρημ.ατιστὴς (i.e. βίος) β. τίς ἐστιν, [Refs 4th c.AD+] adverb -ως, ={παρὰ φύσιν, κινεῖσθαι} [Refs 4th c.BC+]: comparative -οτέρως[Refs 2nd c.AD+]
__II.2 ={βιαιοθάνατος}, [Refs]