bug bug [bʌg] noun [countable]
COMPUTING a fault in the system of instructions that operates a computer:
• Custom-made software is often more reliable and has fewer `bugs' or faults.
Milˌlennium ˈbug [singular] COMPUTING
a problem with the way many computers were programmed, meaning that they could not recognize the change in the date at the beginning of the year 2000
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bug UK US /bʌg/ noun [C] IT
► a mistake or problem in a computer program: »
The latest update fixes several known bugs in the script.
»Please submit all bug reports to the IT department.
Financial and business terms. 2012.