G0884–ἀχάριστος–acharistos

But love your enemies, and do good, and lend, hoping for nothing in return, and your reward shall be great, and ye shall be sons of [supplied: the] Highest; for *he* is good to the unthankful and wicked.

ἀχαρίστους acharistous “ungrateful”

for men shall be lovers of self, lovers of money, boastful, arrogant, evil speakers, disobedient to parents, ungrateful, profane,

ἀχάριστοι, acharistoi “ungrateful,”