Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
Declaring God's greatness (saying Allahu Akbar) in a dream indicates victory over enemies, joy, and relief.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
Declaring God's greatness indicates repentance and salvation from hardships. In its proper place, it indicates holidays and celebrations.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
Declaring God's greatness is interpreted as triumph and victory. Whoever sees himself declaring God's greatness, his status will rise.