fast day

noun

: a day on which people do not eat any food because of their religion

observing a fast day

Examples of fast day in a Sentence

Recent Examples on the Web

Ash Wednesday is considered an obligatory fast day for Roman Catholics between 18 and 59 — meaning limiting food to one full meal and two smaller-than-normal meals. — ABC News, 16 Feb. 2026

Yom Kippur is the most significant Jewish fast day. — Cristina Mutchler, Verywell Health, 10 Feb. 2026

The recent discovery was made on the eve of the 17th of Tammuz, a Jewish fast day marking the breach of Jerusalem’s walls before the destruction of the First and Second Temples. — Andrea Margolis, FOXNews.com, 10 Aug. 2025

Less known, but these days quite significant, is another Jewish fast day that occurs each summer. — Avi Shafran, New York Daily News, 12 Aug. 2024

Weighing in at only 20 ounces, Arc’teryx’s Aerios 15 Backpack provides a lightweight solution for fast day hiking. — Nathan Borchelt, Travel + Leisure, 16 Feb. 2023

Rhymes for fast day

• airway
• allay
• archway
• array
• ashtray
• assez
• astray
• aue
• away
• ballet
• belay
• beltway