Spartan, acomous, ascetic, austere, bald-headed, bare-ass, bare, beardless, blank, candid, clean-shaven, clear, cleared, clipped, colorless, common, commonplace, cropped, depilous, direct, disclosed, dry, dull, exposed, frank, free, glabrous, gymnosophical, hairless, homely, homespun, in native buff, in puris naturalibus, in the altogether, in the buff, in the raw, lackluster, lean, lifeless, lusterless, matter-of-fact, naked, natural, naturistic, neat, nude, nudist, open, open as day, open to all, overt, peeled, plain-speaking, plain-spoken, plain, polled, prosaic, prosing, prosy, pure, raw, revealed, rustic, severe, shaven, sheared, simple-speaking, simple, smooth-faced, smooth-shaven, smooth, sober, spare, stark-naked, stark, straightforward, tonsured, unadorned, unadulterated, unaffected, unarrayed, unclassified, unclogged, unclosed, uncolored, uncomplicated, uncovered, undecked, undecorated, undressed, unembellished, unfurbished, ungarnished, unhidden, unimaginative, unobstructed, unornamented, unpoetical, unrestricted, unsophisticated, unstopped, untrimmed, unvarnished, wide-open, with nothing on, without a stitch