1. Occurring once in five years, or at the end of every five years; also, lasting five years. A quinquennial event

Encyclopedia: Quinquennial

• risible
• rising
• rising prices
• rising slope
• rising tide
• rising trot
• risk
• risk arbitrage
• risk capital
• risk of exposure
• risk of infection
• risk taker
• risk-free
• riskily
• riskiness
• riskless
• risklessness
• risky
• risky venture
• risotto
• risqué
• Riss glaciation
• tabula rasa
• tabular
• tabular array