indispensable

expendable, superfluous, unimportant, indispensable, irrelevant, infra dig, unworthy, untouchable, valueless, useless, interchangeable, unmanly, inconsequential, replaceable, anathema, sacrosanct, assailable, subservient, reified, irredeemable, malleable, functionless, obsolescent, antithetical, impotent, worthless, meaningless, detestable, unsexy, unessential, dehumanised, laughable, unavoidable, cannon fodder, unfitted, loathsome, trivial, fallible, otiose, disposable, untransferable, irreplaceable, sissified, essential, anachronistic, inseparable, alienable, unredeemable, purblind, unpractical, desirable, undeserving, fungible, resistible, subhuman, unfashionable, unpatriotic, indivisible, abstract noun, inessential, redundant, unemployable, brainless, depersonalized, fated, unexceptionable, egoistical, obsolete, unserious, ineffectual, untenable, debased, risible, trifling, lowlier, effete, inefficacious, purposeless, unsaleable, hypocritical, pointless, immoral, insubstantial, manipulable, indestructible, insignificant, incidental, victimless, incommunicative, inanimate, threadbare, guiltier, insensate, unpalatable, inviable, incommunicable, trite, discardable, deracinated, untaught, wisest, perfectible, nonessential, indispensible, identifiable, adaptable, serviceable, consumable, important, intangible, perishable, ubiquitous, individuating, weakest