not able to be seen through; not transparent

difficult to understand; not clear

समझने में कठिन; स्पष्ट नहीं

English Usage: His explanation was so opaque that no one could grasp the concept.

Hindi Usage: उसका व्याख्या इतनी अस्पष्ट थी कि कोई भी उस सिद्धांत को नहीं समझ सका।

devoid of light; not allowing light to pass through

cloudy; not clear

धुंधला; स्पष्ट नहीं

English Usage: The sky was opaque with heavy clouds, predicting a storm.

Hindi Usage: आसमान ओpaque था भारी बादलों से, जो तूफान की भविष्यवाणी कर रहा था।