Strong’s Greek
G3715 — orexis
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ὄρεξις
orexis — pronounced or'-ex-is
from 3713; excitement of the mind, i.e. longing after:--lust. see GREEK for 3713
1 occurrence in the KJV.
Romans 1:27
And likewise also the men, leaving the natural use of the woman, burned in their lust one toward another; men with men working that which is unseemly, and receiving in themselves that recompence of their error which was meet.