expressing a compliment or praise

provided free of charge

निःशुल्क प्रदान किया गया

English Usage: Guests at the hotel received complimentary breakfast each morning.

Hindi Usage: होटल के मेहमानों को हर सुबह निःशुल्क नाश्ता मिला।

consisting of many interconnected parts; intricate

difficult to understand

समझने में कठिन

English Usage: Her explanation of the complex theory left many students confused.

Hindi Usage: उसके जटिल सिद्धांत की व्याख्या ने कई छात्रों को भ्रमित कर दिया।