The Greek adjective anaxios (G370) means "unworthy" or "not deserving of something." It appears once in the New Testament in 1 Corinthians 6:2, in Paul's rhetorical question: "Are you not competent to judge trivial cases?" — though the KJV renders the related adverb (anaxiōs) as "unworthily" in 1 Corinthians 11:27.
The word combines an- (not) + axios (worthy/deserving), and is the opposite of axios, which means to be of equal weight or value.
The concept of being anaxios — unworthy — runs as a counterpoint throughout the New Testament. Paul writes that he is the "least of the apostles, unworthy to be called an apostle" (1 Corinthians 15:9). The prodigal son confesses "I am no longer worthy to be called your son" (Luke 15:21). The centurion declares he is "not worthy to have you come under my roof" (Luke 7:6).
In every case, the anaxios confessing person is met with grace, not condemnation. The one who acknowledges unworthiness becomes the recipient of the Kingdom: "Blessed are the poor in spirit, for theirs is the kingdom of heaven" (Matthew 5:3). Genuine humility about our anaxios condition is the doorway into grace.