Is it permissible to add phrases like 'and greater and more majestic' after the initial Takbir?
Chapter on the Description of Prayer
Al-Mughni
Book of Prayer
Primary text
It is not recommended to add supplementary phrases to the Takbir, such as stating 'Allahu Akbar wa A'zham wa Ajall' (Allah is greater and more majestic and glorious). This ruling has been explicitly stated.