Strong’s Greek
G83 — adelotes
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἄδηλος
adelotes — pronounced ad-ay-lot'-ace
from 82; uncertainty:--X uncertain. see GREEK for 82
1 occurrence in the KJV.
1 Timothy 6:17
Charge them that are rich in this world, that they be not highminded, nor trust in uncertain riches, but in the living God, who giveth us richly all things to enjoy;