Tabarruj means impermissible exposure of women's adornment and beauty before non-Mahram (marriageable) men. This applies to exposure of jewels, arms, legs, chest, neck, face, and so on.
Shaykh Abu Al-A‘la Al-Mawdoodi, may Allah have mercy upon him, said:
Tabarruj for women means:
Exposure of the beauty of the face and body before non-Mahram..
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