This is the 3230th most frequent Arabic word.
بديلا
Alternative.
The word 'بديلا' is used here as a noun meaning a substitute or an alternative, indicating that something can replace another.
يمكن اختيار اللون الأزرق بديلا عن الأخضر.
The blue color can be chosen instead of the green.
In this sentence, 'بديلا' acts as an adjective describing the appointed employee as a replacement.
قرر المدير تعيين موظف بديلا للمستقيل.
The manager decided to appoint an employee as a replacement for the resigned one.
Here, 'بديلا' is used as a predicate expressing the proposed alternative in the comparison.