Necessary
1. Necessary : ضروری : (Adjective) Absolutely essential.
Necessity - the condition of being essential or indispensable.
2. Necessary, Essential, Necessity, Requirement, Requisite : ضرورت : (Noun) Anything indispensable.
Food and shelter are necessities of life.
The essentials of the good life.+ More
Thing - a separate and self-contained entity.
Absolutely - قطعاً - totally and definitely; without question; "we are absolutely opposed to the idea".
Essential, Necessary, Necessity, Requirement, Requisite - ضرورت - anything indispensable; "food and shelter are necessities of life".
Indispensable - ناقابل اجتناب - unavoidable; "the routine but indispensable ceremonies of state".