Answer: crystalclear

AnswerCrossword Clue
CRYSTALCLEARAs easy to grasp as Billy?
CRYSTALCLEARIn no way ambiguous
CRYSTALCLEAREasy to understand
CRYSTALCLEARTransparent
CRYSTALCLEARCompletely unambiguous
CRYSTALCLEARFifteenth plain
CRYSTALCLEARUnambiguous