a person who competes against another in a contest, game, or argument

प्रतिकूल व्यक्ति

English Usage: The opponent in the debate presented strong arguments.

Hindi Usage: बहस में प्रतिकूल व्यक्ति ने मजबूत तर्क प्रस्तुत किए।

a supposition or a system of ideas intended to explain something

परिकल्पना

English Usage: According to the opponent-colors theory, certain colors cannot be perceived simultaneously.

Hindi Usage: प्रतिकूल रंगों के सिद्धांत के अनुसार, कुछ रंगों को एक साथ महसूस नहीं किया जा सकता।

the property possessed by an object of producing different sensations on the eye as a result of the way it reflects or emits light

रंग की विशेषता

English Usage: The colors of the sunset were breathtaking.

Hindi Usage: सूर्यास्त के रंग बहुत खूबसूरत थे।