1. As can be shown by argument
   "she is arguably the best"

See also: arguable

• rosinweed
• rosita
• Rosmarinus
• Rosmarinus officinalis
• Ross
• Ross Sea
• Rossbach
• Rossetti
• Rossini
• Rostand
• rostellum
• roster
• Rostock
• Rostov
• Rostov na Donu
• Rostov on Don
• rostral
• rostrate
• rostrum
• Roswell
• rosy
• rosy boa
• rosy-cheeked
• rosy-colored
• rosy-coloured