'Reckless' in the Bible

For if you forgive others their trespasses [their reckless and willful sins], your heavenly Father will also forgive you.

But if you do not forgive others [nurturing your hurt and anger with the result that it interferes with your relationship with God], then your Father will not forgive your trespasses.

covetousness, wickedness, deceit, licentiousness, envy, reviling, pride, reckless folly:

A few days later, the younger son gathered together everything [that he had] and traveled to a distant country, and there he wasted his fortune in reckless and immoral living.

Since these things cannot be denied, you must be quiet and not do anything reckless.

What I am now saying, I do not say by the Lord's command, but as a fool in his folly might, in this reckless boasting.

And they, [the ungodly in their spiritual apathy], having become callous and unfeeling, have given themselves over [as prey] to unbridled sensuality, eagerly craving the practice of every kind of impurity [that their desires may demand].

And don’t get drunk with wine, which leads to reckless actions, but be filled by the Spirit:

traitors, reckless, conceited, lovers of pleasure rather than lovers of God,