HinKhoj Dictionary

Backpedal (verb) : अपनी राय बदलना (Modify one's opinion, make it less strong)
Caustic (adjective): तीखा/ कटु (Harsh or corrosive in tone)
Voracious (adjective): लालची (Very Greedy)
Eminent (adjective): प्रसिद्थ (Of high rank or importance)
Matron (noun): अधीक्षिका (Supervisor or monitor)
Paradox (noun): विरोधाभास (Contradiction)