Lexical Definition

‎καταβραβεύω‎ katabrabeúō (kat-ab-rab-yoo'-o) to disqualify ^G:V
from ‎κατά‎ and ‎βραβεύω‎ (in its original sense)

beguile of reward.

• to award the price against, i.e. (figuratively) to defraud (of salvation)

Abbott-Smith

* κατα-βραβεύω (< βραβεύς, an umpire, cf. βραβεῖον),
to give judgment against, condemn (v. Field, Notes, 196; Abbott, Essays, 104 f.): Col 2:18.†

Abbott-Smith References

Liddell-Scott-Jones

καταβραβεύω,

give judgement against one as βραβεύς, and so, deprive one of the prize, deprive one of one's right, with accusative, [NT+8th c.BC+]passive, ὑπὸ Μειδίου καταβραβευθέντα being cast in his suit by means of Meidias, Test. cited in [Refs 4th c.BC+]

__2 with genitive, rule over, ἡ γῆ κ. τῶν λοιπῶν [Refs 2nd c.AD+]

_{LSJ Scripture Refs: Col.2.18}