1. Lasting for an hour
   "an hourlong examination"

See also: long

• certificated
• certification
• certificatory
• certified
• certified check
• certified cheque
• certified milk
• certified public accountant
• certify
• certiorari
• certitude
• cerule
• cerulean
• cerulean blue
• cerumen
• ceruminous
• ceruse
• cerussite
• Cervantes
• Cervantes Saavedra
• cervelat
• cervical
• cervical artery
• cervical canal
• cervical cap