B1noun
خَلِيلٌ
khalīl
intimate friend / close companion
Example
وَاتَّخَذَ اللَّهُ إِبْرَاهِيمَ خَلِيلًا
wattakhadha Allāhu Ibrāhīma khalīlā
And Allah took Abraham as an intimate friend (4:125)
Grammar
Adjective/noun (faʿīl pattern). Feminine: خَلِيلَةٌ. Plural: أَخِلَّاءُ (akhillāʾ). From خُلَّةٌ (intimate friendship). The highest level of friendship.
Culture
Abraham is called Khalīl Allāh (Friend of God) — the only person given this title in the Quran, reflecting the highest human-divine relationship.