hekousios describes an action undertaken by choice rather than under compulsion, including continued sin after knowing the truth.

The two verses show action undertaken by choice rather than external compulsion: overseeing God’s flock in 1 Peter 5:2 and continuing in sin after receiving knowledge of the truth in Hebrews 10:26.

1. Acting by choice rather than compulsion · dominant

   In 1 Peter 5:2, the adverb modifies the instruction for overseeing God’s flock in contrast to doing so “under compulsion”; the APB renders the clause “not under compulsion but voluntarily according to God.” In Hebrews 10:26, the adverb qualifies continuing in sin after receiving knowledge of the truth; the APB renders this “go on sinning deliberately.”

   1 Peter 5:2Hebrews 10:26

In the Anselm Project Bible: The APB presents the adverb as “voluntarily” in 1 Peter 5:2 and “deliberately” in Hebrews 10:26. These renderings show the clauses’ presentation rather than a separate lexical sense list.