This is the 1602nd most frequent Arabic word.
اجل
The Arabic word "أجل" can mean "yes, indeed" (affirmation) or "appointed time/death" depending on context.
In this sentence, 'أجل' is used to mean 'time' or 'term'.
كُلُ شيءٍ مُؤَجَّلٌ لِأَجَلٍ غَيْرِ مُسَمًّى.
Everything is postponed until an indefinite time.
The word 'اجل' in this sentence is used to affirm or agree, replacing 'نعم'.
اجل، سأذهب إلى السوق.
Yes, I will go to the market.
Here, 'اجل' is used to mean 'for the sake of' or 'out of respect'.