plain

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