Strong’s Greek
G317 — anagkastos
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ἀναγκαστῶς
anagkastos — pronounced an-ang-kas-toce'
adverb from a derivative of 315; compulsorily:--by constraint. see GREEK for 315
1 occurrence in the KJV.
1 Peter 5:2
Feed the flock of God which is among you, taking the oversight thereof, not by constraint, but willingly; not for filthy lucre, but of a ready mind;