Lexical Definition

‎δαιμονίζομαι‎ daimonízomai (dahee-mon-id'-zom-ahee) be demonised G:V
middle voice from ‎δαίμων‎

have a (be vexed with, be possessed with) devil(-s).

Usage: 10 forms in 13 verses
Form Translated As     In Verse(s)
δαιμονισθεὶσ having been demonised Mark.5.18
δαιμονισθείσ having been demonised Luke.8.36
δαιμονιζόμενοσ being demonised Matt.12.22
δαιμονιζόμενον being demonised Mark.5.15
demonised Matt.9.32
δαιμονιζόμενοι being demonised Matt.8.28
δαιμονιζομένῳ being demonised Mark.5.16
δαιμονιζομένων being demonised Matt.8.33
δαιμονιζομένουσ being demonised Matt.8.16Mark.1.32
those being demonised Matt.4.24
δαιμονιζομένου of one demonised John.10.21
δαιμονίζεται is demonised Matt.15.22

Abbott-Smith

** δαιμονίζομαι (in cl. also δαιμονάω; < δαίμων), [in Aq.: Ps 90(91):6* * ;]
to be under the power of a δαίμων (δαιμόνιον, q.v.), to be possessed: Mt 15:22; elsewhere always ptcp., -ιζόμενος, -ισθείς: Mt 4:24; 8:16, 28, 33 9:32 12:22, Mk 1:32 5:15, 16, 18, Lk 8:36, Jo 10:21 (Cremer, 171).†

Abbott-Smith References

Book Refs
Psalms 90:6*
Matthew 4:24 · 8:16 · 8:28 · 8:33 · 9:32 · 12:22 · 15:22
Mark 1:32 · 5:15 · 5:16 · 5:18
Luke 8:36
John 10:21

Liddell-Scott-Jones

δαιμονίζομαι-ίζομαι,

middle, ={δαιμονίζομαιάω}, ἄλλος κατ᾽ ἄλλην δαιμονίζομαιίζεται τύχην each one hath his own fate appointed, [Refs 4th c.BC+]

__II as passive, to be deified, [Refs 5th c.BC+]; active in [Refs 5th c.AD+]
__III to be possessed by a demon or evil spirit, [NT+1st c.AD+]

LSJ Scripture Refs: Matt.4.24