Synonyms and related words :
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