HinKhoj Dictionary

Mellifluous (adjective): Sweet or musical; pleasant to hear (मधुर)
Opulent (adjective): Ostentatiously rich, luxurious, or lavish (भव्य/ शानदार)
Nefarious (adjective): Wicked, villainous, or criminal (दुष्ट)
Egregious (adjective): Outstandingly bad; shocking (अत्यंत बुरा)
Quintessence (noun): The most perfect or typical example of a quality (सर्वोत्कृष्ट उदाहरण)
Cacophony (noun): A harsh, discordant mixture of sounds (बेसुरापन)
Acquiesce (verb): To accept something reluctantly but without protest (चुपचाप स्वीकार करना)
Magnanimous (adjective): Generous or forgiving, especially toward a rival (उदारचरित)
Pernicious (adjective): Having a harmful effect, especially in a gradual or subtle way (हानिकारक)
Discombobulate (verb): To disconcert or confuse (भ्रमित होना)
Alacrity (noun): Brisk and cheerful readiness (उत्साह)
Esoteric (adjective): Intended for or likely to be understood by only a small number of people (गूढ़/ गोपनीय)