bug Meaning in the Cambridge English Dictionary Cambridge dictionaries logo

Meaning of “bug” in the English Dictionary

"bug" in British English

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bugnoun

uk   us   /bʌɡ/
  • bug noun (INSECT)

B1 [C] a very ​smallinsect

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  • bug noun (ILLNESS)

B2 [C] informal a ​bacteria or a ​viruscausing 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 ​computerprogram: A bug ​caused the company's ​computersystem to ​crash.

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  • bug noun (DEVICE)

[C] a very ​smalldevicefixed on to a ​phone or ​hidden in a ​room, that ​allows you to ​listen to what ​people are saying without them ​knowing

bugverb [T]

uk   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 ​tinywhite bugs had ​eaten the ​leaves of my ​houseplants. [C] A bug is also a ​smallorganism 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 ​smalldevice that is ​easilyhidden, used to ​record people’s ​conversations without ​theirknowledge
  • bug noun (ENTHUSIASM)

[U] infml a ​strongenthusiasm 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 ​listeningdevice 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 ​computerprogram: 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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