BUG


Meaning of BUG in English

■ noun

1》 informal a harmful microorganism.

↘an illness caused by a microorganism.

2》 Entomology an insect of a large order having piercing and sucking mouthparts, including aphids, leafhoppers, cicadas, and many other insects. [Order Hemiptera.]

↘ chiefly N. Amer. any small insect.

3》 informal an enthusiasm for something: they caught the sailing ~.

↘a concealed miniature microphone as used for secret recording.

4》 an error in a computer program or system.

■ verb ( ~s , ~ging , ~ged )

1》 conceal a miniature microphone in.

2》 informal annoy; bother.

3》 ( ~ off ) N. Amer. informal go away.

↘( ~ out ) leave quickly.

4》 ( ~ out ) N. Amer. informal bulge outwards.

Origin

C17: of unknown origin.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.