plain

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