1. waiting in line or forming a line
Usage: British spelling
2. arranging items or tasks in a sequence to be processed in order
Usage: computing; technical

Examples

• People were queueing outside the theater for tickets.
• We spent an hour queueing at the bank.
• The system is queueing print jobs automatically.
• Customers were queueing patiently despite the long wait.
• The software is queueing the downloads in order of priority.
• They were queueing early in the morning for the sale.