Answer:

sheerer

AnswerCrossword Clue
SHEERERLess opaque
SHEEREREasier to see through
SHEERERMore see-through
SHEERERMore transparent
SHEERERMore precipitous.
SHEERERMore diaphanous.
SHEERERMore diaphanous
SHEERERMore delicate
SHEEREREven more see-through