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Meaning of “bug” in the English Dictionary

"bug" in British English

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bugnoun

uk   /bʌɡ/  us   /bʌɡ/
  • bug noun (INSECT)

B1 [C] a very small insect

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  • bug noun (ILLNESS)

B2 [C] informal a bacteria or a virus causing an illness that is usually not serious: I had a tummy/stomach bug last week. There's a bug going around (= an illness that many people are getting).

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  • bug noun (COMPUTER PROBLEM)

B2 [C] a mistake or problem in a computer program: A bug caused the company's computer system to crash.

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bugverb [T]

uk   /bʌɡ/  us   /bʌɡ/ (-gg-)
(Definition of bug from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"bug" in American English

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bugnoun

 us   /bʌɡ/
  • bug noun (INSECT)

[C] an insect: Some tiny white bugs had eaten the leaves of my house plants.
[C] A bug is also a small organism that causes an illness: The flu bug is going around, and almost everyone is sick.
  • bug noun (FAULT)

[C] a mistake or problem in the way something works: He said they had eliminated all the bugs in the software, and we hoped this was true.
  • bug noun (DEVICE)

[C] a small device that is easily hidden, used to record people’s conversations without their knowledge
  • bug noun (ENTHUSIASM)

[U] infml a strong enthusiasm for something: When I was about 17, I was bitten by the acting bug and began to try out for parts.

bugverb [T]

 us   /bʌɡ/ (-gg-)
  • bug verb [T] (ANNOY)

infml to annoy someone repeatedly: My lawyer is bugging me for stuff I just don’t have.
  • bug verb [T] (HIDE DEVICE)

to hide a listening device in something: She suspected that her phone had been bugged.
(Definition of bug from the Cambridge Academic Content Dictionary © Cambridge University Press)

"bug" in Business English

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bugnoun [C]

uk   us   /bʌɡ/ 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.
(Definition of bug from the Cambridge Business English Dictionary © Cambridge University Press)
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