Meaning of BUG in English

BUG

/ bʌg; NAmE / noun , verb

■ noun

1.

[ C ] ( especially NAmE ) any small insect

2.

[ C ] ( informal ) an infectious illness that is usually fairly mild :

a flu bug

There's a stomach bug going round (= people are catching it from each other) .

I picked up a bug in the office.

➡ note at disease

3.

(usually the ... bug ) [ sing. ] ( informal ) an enthusiastic interest in sth such as a sport or a hobby :

the travel bug

She was never interested in fitness before but now she's been bitten by the bug .

4.

[ C ] ( informal ) a small hidden device for listening to other people's conversations

5.

[ C ] a fault in a machine, especially in a computer system or program

6.

( NAmE ) = Beetle

■ verb ( -gg- ) [ vn ]

1.

to put a special device (= a bug ) somewhere in order to listen secretly to other people's conversations :

They bugged her hotel room.

They were bugging his telephone conversations.

a bugging device

2.

( informal ) to annoy or irritate sb :

Stop bugging me!

It's something that's been bugging me a lot recently.

IDIOMS

- bug off!

••

WORD ORIGIN

early 17th cent.: of unknown origin. Current verb senses date from the early 20th cent.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.