Takbir (تَكْبِير, laƙabi [tak.biːr], "ɗaukaka [Allah]") shine jumlar larabci ʾAllāhu ʾakbaru (ٱللَّٰهُ أَكْبَرُ, furta [ʔaɫ.ɫaː.hu ʔak.baru], ma'ana "Allah shine mafi girma". Magana ce ta Larabci gama -gari, wanda Musulmai da Larabawa suka yi amfani da shi a fannoni daban -daban: a cikin Sallah (addu’a), a cikin Adhan (kiran Musulunci zuwa sallah), azaman bayanin bangaskiya na yau da kullun, a lokutan wahala ko farin ciki, ko don bayyana ƙuduri ko ƙeta. Kiristocin Larabawa ma suna amfani da jumlar. Kalmar Larabci كَبِير (kabīr) tana nufin mai girma daga tushen Semitic k-b-r. Kalmar Larabci أَكْبَر (ʾakbar) ita ce sifar sifa (mafi girma) na sifar kabīr. Lokacin amfani dashi a cikin Takbīr galibi ana fassara shi mafi girma, amma wasu marubutan suna fassara shi mafi girma. Kalmar Takbīr da kanta ita ce jigon kalma na II na tushen triliteral k-b-r, ma'ana "babba", daga abin da aka samo akbar "babba".