Strong's Concordance G524

Original Word: ἀπαλγέω
Transliteration: apalgéō
Phonetic Spelling: ap-alg-eh'-o
[ἀπαλγέω] from G575 and ἀλγέω (to smart); to grieve out, i.e. become apathetic

Usages throughout the bible

Ephesians 4:19 - Who being past feeling G524 have given themselves over unto lasciviousness, to work all uncleanness with greediness.