G0793–ἀστήρικτος–astēriktos

having eyes full of adultery, and that cease not from sin, alluring unestablished souls; having a heart practised in covetousness, children of curse;

ἀστηρίκτους, astēriktous “unestablished,”

as also in all [ergänzt: his] epistles, speaking in them of these things; among which some things are hard to be understood, which the untaught and ill-established wrest, as also the other scriptures, to their own destruction.

ἀστήρικτοι astēriktoi “unestablished”