| Indispensable 1. (a.) Impossible to be omitted, absolutely necessary or requisite. 2. (a.) Not admitting dispensation; not subject to release or exemption. 3. (a.) Unavoidable; inevitable. Thesaurus Entries bare necessities, basic, bedrock, call for, called for, cardinal, central, compelling, compulsory, crucial, demand, demand for, demanded, desideration, desideratum, essential, essentials, focal, fundamental, imperative, important, in demand, indicated, ineluctable, inescapable, irreducible, irreductible, irreplaceable, key, life-and-death, life-or-death, mandatory, material, must, must item, necessaries, necessary, necessities, necessitous, necessity, need, need for, needed, needful, obligatory, occasion, of the essence, of vital importance, prerequirement, prerequisite, required, requirement, requisite, requisition, sine qua non, substantive, the necessary, the needful, unavoidable, unforgoable, urgent, vital, want, wanted |