Strong’s Greek
G4705 — spoudaios
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
σπουδαῖος
spoudaios — pronounced spoo-dah'-yos
from 4710; prompt, energetic, earnest:--diligent. see GREEK for 4710
3 occurrences in the KJV.
2 Corinthians 8:17
For indeed he accepted the exhortation; but being more forward, of his own accord he went unto you.
2 Corinthians 8:22
And we have sent with them our brother, whom we have oftentimes proved diligent in many things, but now much more diligent, upon the great confidence which I have in you.
2 Timothy 1:17
But, when he was in Rome, he sought me out very diligently, and found me.