HinKhoj Dictionary

Quintessential: सर्वोत्कृष्ट (Representing the most perfect or typical example of a quality or class)
Quip: ताना (Witty remark)
Radical: उग्र (Extreme)
Rampage: हिंसा (Violence)
Rapid: तेज़ (Having great speed)
Rapport: घनिष्ठता (Harmony)
Recalcitrant: आज्ञा न माननेवाला (Obstinately defiant of authority, difficult to manage)
Reliant: (विश्वासी) having or showing dependence on something