free from cloudiness; allowing light to pass through; "clear water"; "clear plastic bags"; "clear glass"; "the air is clear and clean"
10
pure
free of extraneous elements of any kind; "pure air and water"; "pure gold"; "pure primary colors"; "the violin's pure and lovely song"; "pure tones"
3
white
being of the achromatic color of maximum lightness; having little or no hue owing to reflection of almost all incident light; "as white as fresh snow"; "a bride's white dress"
2
apprehensible
capable of being apprehended or understood
1
immaculate
completely neat and clean; "the apartment was immaculate"; "in her immaculate white uniform"; "a spick-and-span kitchen"; "their spic red-visored caps"