Related Clues:

• In the air
• Like splitting hares
• Firmly secured
• Religious requirement, sometimes
• Airborne
• On the wing
• Abstain
• Religious abstention
• Acknowledge Ramadan
• Like Mad
• Intentionally skip meals
• Like lightning
• More than diet
• Like some friends
• Word that can precede the first word of 17-, 26-, 43- or 58-Across