Something that is not able to be seen through; not transparent.

An idea or expression that is difficult to understand.

गूढ़ विचार

English Usage: Her explanation was so opaque that no one understood the concept.

Hindi Usage: उसका व्याख्यान इतना गूढ़ था कि कोई भी उस अवधारणा को नहीं समझ सका।

Not allowing light to pass through.

Difficult to understand or perceive.

समझने या पहचानने में कठिन

English Usage: His opaque reasoning left everyone confused.

Hindi Usage: उसकी अस्पष्ट तर्कणा ने सभी को भ्रमित कर दिया।