1. Marked by the absence of repetition
   "nonrepetitive DNA sequence"; "nonrepetitive dance movements"

Antonym: repetitive

• 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
• tabular matter
• tabularise
• tabularize