unfrettˈed adjective

1. Not eaten away or rubbed
2. Not annoyed or worried

• open sesames
• open shop
• open shops
• open side
• open sides
• open sights
• open skies
• open slather
• open-source
• open-steek
• open-stitch
• open system
• open systems
• open the ball
• open the door to
• open the floodgates
• open-top
• open-topped
• open town
• open towns
• open university
• open up
• open verdict
• open-weave
• openwork