νηστεία

fasting, the day of atonement

Definition

Νηστεία (nēsteia) primarily means 'fasting,' the voluntary abstention from food for spiritual purposes. In the New Testament, it most often refers to the religious practice of fasting as an act of devotion, humility, or petition before God, as seen in Acts 14:23 where church elders are appointed with prayer and fasting. A secondary, specific sense refers to 'the Day of Atonement' (Yom Kippur), the annual Jewish fast day, as indicated in Acts 27:9 where sailing is considered dangerous after 'the fast' had passed. This dual meaning shows the word can denote both a general spiritual discipline and a particular holy day.

Biblical Usage

The word is used in various contexts across the Gospels, Acts, and Paul's letters. It describes personal, habitual devotion (Luke 2:37, Anna's constant fasting), corporate spiritual preparation (Acts 14:23, appointing elders), and a means of enhancing prayer and spiritual authority (Matthew 17:21, Mark 9:29 in some manuscripts). Paul lists fasting among his hardships endured for the gospel (2 Corinthians 6:5, 11:27) and mentions it as a temporary abstinence within marriage (1 Corinthians 7:5). Its usage is almost exclusively in religious or ascetic contexts.

Etymology

Derived from the Greek adjective νήστις (nēstis), meaning 'not eating' or 'fasting.' It is related to the verb νηστεύω (nēsteuō, G3522), 'to fast.' The core idea is the negation of eating (νη- like 'not,' connected to ἔδω, 'to eat'), emphasizing voluntary abstinence. The word group was adopted into Jewish-Greek vocabulary to describe both the practice and the specific holy day.

Semantic Range

Νηστεία is theologically significant as it represents a physical discipline aimed at spiritual focus, dependence on God, and repentance. It is often coupled with prayer (Luke 2:37, Acts 14:23), suggesting it is a means to intensify supplication and humility before God. Understanding this Greek term enriches reading by distinguishing between the general practice of fasting and the specific 'Day of Atonement,' and by highlighting its role not as a meritorious work but as an accompaniment to prayer and key decisions in the early church.

In its 1st-century Jewish and Greco-Roman context, fasting was a widely recognized religious practice. For Jews, it was associated with mourning, repentance (e.g., the Day of Atonement), and seeking God's intervention. Pagan cultures also fasted in their rituals. The New Testament usage, however, often reorients the practice away from public display (cf. Matthew 6:16-18) toward genuine, Christ-centered devotion. The reference to 'the fast' in Acts 27:9 would have been immediately understood by Luke's audience as the Day of Atonement, a fixed point in the calendar.

ἀσιτία (asitia, G777) — emphasizes the state of being without food, sometimes involuntary; used for Paul's hunger in Acts 27:21. ταπείνωσις (tapeinōsis, G5014) — 'humiliation' or 'low condition'; can include fasting as an act of self-humbling, but is a broader term.

Word Details

Scripture References