plain

apparent appreciable artless audible austere bald bare-bones blank blatant bolder bold broader broadest broad candid certain clean cleanest clear-cut clear clearest clearer common commonest comprehensible conspicuous conventional crashing crystal clear definite definitive demonstrative direct discernible distinct down and dirty dowdy downright dry dull dull duller duller easiest easy easier elementary everyday evident expanse expanses explicit express familiar featureless flat folksy formulaic forthright frank frumpy frumpish genuine grassland gross hard harder honest homespun homely homely household ignoble inarguable inconspicuous incontestable ingenuous insipid intelligible knowable known legible levels level level literal low lucid manifest matter-of-fact meadow meadows meek mere mesa modest more evident more apparent more familiar more natural more natural more known more legible more modest more obvious more open more open more readable more selfexplanatory more selfexplanatory more self evident more self evident more self explanatory more self explanatory more self-explanatory more self-explanatory more selfevident more selfevident more self-evident more self-evident more undisputable more understandable more understandable more visible most certain most apparent most noticeable most obvious most known most restrained most self explanatory most self explanatory most selfexplanatory most selfexplanatory most self evident most self evident most self-explanatory most self-explanatory most selfevident most selfevident most undisputable most self-evident most self-evident mousy naive naked natural natural noticeable obvious open open open-and-shut open and shut/open-and-shut openhearted ordinary outspoken overt palpable patent pellucid perspicuous plainspoken plane plateau plateaus point-blank poor prairie prairies prima facie public purest pure quiet quieter quietest readable restrained routine round rudimental rustic rustic savanna/savannah savanna savannahs savannas savannas see-through seeable self-evident/self-explanatory self-evident self-explanatory sensory simple simple simple simpler simpler simpler sincerest sincere slenderer slender slenderest smoothest smoother smooth sober spartan stark steppe straight-shooting straight-from-the-shoulder straight straight straight-out straightforward straightforward table tangible tasteless transparent transparent ugly unaffected unappealing unambiguous unassailable unattractive unassuming unblended unbounded unconcealed unconspicuous understandable understandable undiluted undiluted undisputable unembellished unembellished undistinguished unexceptional unequivocal unexciting unfinished unostentatious unmistakable unnoticeable unpretentious unsophisticated unrelieved unremarkable unsubtle unvarying used to usual vanilla valley valleys very visible viewable well-defined