1. Having no border

Antonym: bordered

• box number
• box office
• box pleat
• box room
• box seat
• box spring
• box tortoise
• box turtle
• box up
• box white oak
• box wrench
• box-shaped
• boxberry
• boxcar
• boxcars
• boxed
• boxed-in
• boxer
• boxers
• boxershorts
• boxfish
• boxful
• boxing
• Boxing Day
• boxing equipment