1john 2:1 says I write unto you that you sin not!
1 John 3:3 says we can be as pure as Jesus!
1 John 3:6 says anyone who abides in Christ sins NOT!
1 John 3:8 says he who sins is of the devil!
The bottom line is sin is not characteristic of a true believer.
Those who cannot stop sinning but rather justify and defend sin are not right with God!
The Council of Trent, in this section on baptism, so strongly affirms that sin in a person is utterly remitted
The Council of Trent (Session V, Canon 5) declared
if anyone denies by the grace of Our Lord Jesus Christ which is conferred in baptism, the guilt of original sin is remitted or even asserts that the whole of that which has the true and proper ...
If a person sins and commits a trespass against the LORD by lying to his neighbor about what was delivered to him for safekeeping, or about a pledge, or about a robbery, or if he has extorted from his neighbor, Leviticus 6:2 NKJV
I know it has been brought up already, but here’s a verse for “trespass” that seems clear that the sin was intentional.
Term that means to commit a sin when you know it is a sin?
If you need a term in the past tense then the term sinned fits the bill for your given scenario:
Steve sinned (past tense verb) by lying, as he knew fully that lying was a sin.
Forgive me, Lord, for my sins and iniquity (noun).
Sin is a moral evil and a morally bad act.
Iniquity is the inner act of ...
The old Lord's Prayer (Matt 6: 12) goes :
"... And forgive us our trespasses, as we forgive them that trespass
against us. ". So, the word trespassed 'can be used to fill in the first sentence. As for the second sentence, the word short-comings' should be a good option in that it does not take willfulness as a pre-requisite.
Possibly the word you're looking for is transgressed & transgressions, which this gotquestions.org article "What is the difference between iniquity, sin, and transgression?" defines as:
To transgress is to choose to intentionally disobey; transgression is willful trespassing.
But a more precise study of the 3 underlying Hebrew words commonly ...