(a.) Transparent; pervious to the sight.

clean-cut clear clear as crystal clear as day clear-cut coherent connected consistent crisp crystal crystal-clear crystalline defined definite diaphane diaphanous direct distinct explicit express filmy gauzy gossamer gossamery light-pervious limpid loud and clear lucent lucid luminous nonopaque peekaboo pellucid perspicuous plain revealing see-through sheer simple straightforward thin translucent transparent unambiguous unclouded unconfused unequivocal univocal unmistakable well-defined