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Definition
bug1   Show phonetics
noun [C]
1 ILLNESS a bacteria or virus, or the illness that it causes
a flu/stomach bug

2 COMPUTER a mistake in a computer program
This program is full of bugs.

3 INSECT a small insect

4 EQUIPMENT a small, electronic piece of equipment used to secretly listen to people talking

5 be bitten by the bug/get the bug INFORMAL to develop a strong interest or enthusiasm for a particular activity
He's been bitten by the tennis bug.

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