transparent

clear thin translucent

cellophane crystal-clear crystalline diaphanous filmy gauzy glassy gossamer hyaline limpid lucent lucid pellucid permeable plain sheer tiffany transpicuous vitreous

blocked cloudy

dark opaque questionable unclear unintelligible vague

candid clear-cut easy honest sincere straightforward

apparent articulate artless direct distinct distinguishable easily seen evident explicit forthright frank guileless ingenuous manifest open patent perspicuous plain plain-spoken recognizable self-explanatory straight unambiguous undisguised unequivocal unmistakable unsophisticated visible

complicated deceitful devious difficult dishonest hard involved lying tricky untrustworthy

blocked cloudy dark opaque questionable unclear unintelligible vague