absolutely necessary, essential, or requisite: an indispensable member of the staff. incapable of being disregarded or neglected: an indispensable obligation.

What it means to be indispensable?

1 : absolutely necessary : essential an indispensable member of the staff. 2 : not subject to being set aside or neglected an indispensable obligation.

What is the synonym of essential?

Words related to essential

crucial, fundamental, imperative, indispensable, important, main, necessary, needed, vital, absolute, constitutional, elemental, inherent, intrinsic, key, underlying, condition, element, essence, must.