rupestrian /roo-pesˈtri-ən/

1. Composed of rock
2. Inscribed on rock

• Okla.
• okra
• okras
• Oks
• okta
• oktas
• -ol
• OLAF
• olanzapine
• Olbers' paradox
• old
• old age
• old age pension
• old-age pension
• old-age pensioner
• old-age pensioners
• old-age pensions
• old as the hills
• old bachelor
• old bachelors
• Old Bailey
• old bean
• Old Believer
• Old Bill
• old bird