Synonyms and related words :
Spartan, absolute, absolutely, altogether, arrant, ascetic, austere, bald, bare, barren, basic, blasted, bleak, blessed, blunt, candid, chaste, classical, clean, clear, clearly, cold, common, commonplace, complete, completely, confounded, consummate, crass, decided, definitive, depressing, desolate, direct, downright, drear, dreary, dry, dull, egregious, elementary, empty, entirely, essential, evident, flagrant, frank, fully, fundamental, glaring, grey, grim, gross, hard, harsh, homely, homespun, homogeneous, indivisible, infernal, inornate, intolerable, irreducible, irretrievably, irrevocably, lean, matter-of-fact, mere, monolithic, naked, natural, neat, nude, obvious, obviously, of a piece, open, out-and-out, outright, patent, perfect, perfectly, plain, plain-speaking, plain-spoken, plainly, plumb, positive, primary, profound, pronounced, proper, prosaic, prosing, prosy, pure, pure and simple, quite, rank, ravaged, raw, regular, right, rustic, severe, shattering, sheer, shocking, simon-pure, simple, simple-speaking, single, sober, spare, spooky, stark-naked, stark-staring, straightforward, stripped, superlative, surpassing, the veriest, thorough, thoroughgoing, total, totally, unadorned, unaffected, unbearable, unclad, unclothed, uncluttered, unconditional, unconscionable, undeniable, undifferenced, undifferentiated, unelaborate, unembellished, unenhanced, unequivocal, unfancy, unfussy, uniform, unimaginative, unmitigated, unornate, unpoetical, unqualified, unrelieved, unrelievedly, unspoiled, unvarnished, utter, utterly, vacant, vacuous, void, wholly