adj .
impossible to see through ; impossible to understand 불투명한 ; 이해할 수 없는

• The windows in the movie star's house were made not of glass but some of opaque material that was intended to keep his fans from spying on him.
• We tried to figure out what Hoarce was thinking, but his expression was opaque : it revealed nothing.
• Marvin's mind, assuming he had one, was opaque.
• The statement was opaque ; no one could make anything of it.
• 명사형은 opacity