Strong's Concordance G278

Original Word: ἀμεταμέλητος
Transliteration: ametamélētos
Phonetic Spelling: am-et-am-el'-ay-tos
[ἀμεταμέλητος] from G1 (as a negative particle) and a presumed derivative of G3338; irrevocable

Usages throughout the bible

Romans 11:29 - For the gifts and calling of God are without repentance. G278

2 Corinthians 7:10 - For godly sorrow worketh repentance to salvation not to be repented of: G278 but the sorrow of the world worketh death.