1. Lasting, open, or operating through the whole night
   "an all-night pharmacy"
   - nightlong, overnight

See also: long

• safe haven
• safe house
• safe period
• safe seat
• safe sex
• safe-conduct
• safe-deposit
• safe-deposit box
• safebreaker
• safecracker
• safeguard
• safehold
• safekeeping
• safely
• safeness
• safety
• safety arch
• safety belt
• safety bicycle
• safety bike
• safety blitz
• safety bolt
• safety catch
• safety curtain
• safety deposit box