Lexical Definition

‎ἄλαλος‎ álalos (al'-al-os) mute G:A
from ‎Α‎ (as a negative particle) and ‎λαλέω‎

dumb.

Usage: 4 forms in 5 verses
Form Translated As     In Verse(s)
ἄλαλον mute Mark.9.17Mark.9.25
ἀλάλουσ mute Mark.7.37
άλαλοσ one speechless LXX.Ps.38.13
άλαλα speechless LXX.Ps.31.18

Abbott-Smith

ἄ-λαλος, -ον (< λάλος, talkative), [in LXX: Ps 31:18 (אָלַם ni.) Ps 38:13* (אִלֵּם)*;]
dumb, speechless: Mk 7:37 9:17, 25.†

Abbott-Smith References

Book Refs
Psalms 31:18 · 38:13*
Mark 7:37 · 9:17 · 9:25

Liddell-Scott-Jones

ἄλαλος, ον,

speechless, dumb, probably in [NT+4th c.BC+]; κείμεσθα . [Refs 5th c.BC+]

LSJ Scripture Refs: LXX.Ps.37.13*Mark.9.17