The name Xidr, like Xayr, represents a modern or alternative transliteration of the classical Arabic name 'Khidr' (خضر). 'Khidr' means "green" or "verdant," evoking imagery of lushness, freshness, and life. This name holds significant spiritual weight in Islamic tradition, particularly through the revered figure of Al-Khidr, a mysterious and wise servant of God mentioned in the Qur'an, known for his eternal life and profound knowledge. Choosing Xidr for a boy connects him to this rich spiritual legacy, symbolizing growth, renewal, and divine wisdom. Its rarity as an 'X' name makes it exceptionally distinctive while maintaining a deep cultural resonance.

In numerology, Xidr aligns with the number 9, which embodies universal love, compassion, and humanitarian ideals. Boys bearing the name Xidr are often characterized by their empathetic nature, generosity, and a strong sense of justice. They possess an innate desire to help others and contribute positively to the world around them, reflecting the life-giving and renewing qualities of the color green. This name suggests a personality that is both idealistic and practical, with a capacity for deep spiritual understanding and a natural inclination towards kindness and selfless service.