by Allah adverb 2exclamation 1 adverb2 •An oath to emphasize sincerity or truthfulness, by GodThe eldest, however, having hent in hand a bannock of bread, exclaimed, “By Allah, verily this cake was baked by a woman in her ailment!” — 1885 •Very, truly, indeed.‘Was not the best food to him camel meat and the best drink camel milk[?]’ They said, ‘Yes, by Allah.’ — 2007 exclamation1 •An exclamation of surprise or excitement, oh my God! good Lord!“Oh!” said the King, “by Allah! but vengeance is an inspiriting pleasure!” — 1878
