GHAIB غيب
Lit. “Secret”. The terms Ghaibu ‘l-Huwiyah, “Secret essence” and al-Ghaibu ‘l-Mutlaq, “the absolute unknowable,” are used by Sufi mystics to express the nature of God. (‘Abdu ‘r-Razzaiq’s Dict. Of Sufi Terms.)
Lit. “Secret”. The terms Ghaibu ‘l-Huwiyah, “Secret essence” and al-Ghaibu ‘l-Mutlaq, “the absolute unknowable,” are used by Sufi mystics to express the nature of God. (‘Abdu ‘r-Razzaiq’s Dict. Of Sufi Terms.)
Based on Hughes, Dictionary of Islam