Strong’s Greek
G5227 — hupenantios
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ὑπεναντίος
hupenantios — pronounced hoop-en-an-tee'-os
from 5259 and 1727; under (covertly) contrary to, i.e. opposed or (as noun) an opponent:--adversary, against. see GREEK for 5259 see GREEK for 1727
2 occurrences in the KJV.
Colossians 2:14
Blotting out the handwriting of ordinances that was against us, which was contrary to us, and took it out of the way, nailing it to his cross;
Hebrews 10:27
But a certain fearful looking for of judgment and fiery indignation, which shall devour the adversaries.