bug

1 of 2

verb (1)

bugged; bugging
Synonyms of bugnext

transitive verb

1
: bother, annoy
Don't bug me with petty details.
2
: to plant a concealed microphone in

intransitive verb

: to lose one's composure : freak
often used with out

bug

2 of 2

verb (2)

bugged; bugging

intransitive verb

of the eyes : protrude, bulge
often used with out

transitive verb

of the eyes : to cause to bug
His eyes were bugged with horror.

Examples of bug in a Sentence

Verb (1) these incessant phone calls are really starting to bug me I hate to bug you, but could you help me move this table?
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
His doctor had been bugging him for years to get a colonoscopy because of his age, but Driggers declined. The Washington Post, San Diego Union-Tribune, 2 June 2026 Get clear about what’s bugging you. Usa Today, USA Today, 26 May 2026 Woke up this morning, still kind of bugging me. Jeff Fletcher, Oc Register, 26 May 2026 When Riley returned to the table, La La told me that his high profile in the city sometimes bugged her, because fans were always interrupting them, even sitting down at their table. Emily Nussbaum, New Yorker, 17 May 2026 See All Example Sentences for bug

Word History

Etymology

Verb (2)

probably from bug entry 1

First Known Use

Verb (1)

1928, in the meaning defined at transitive sense 1

Verb (2)

1865, in the meaning defined at transitive sense

Time Traveler
The first known use of bug was in 1865

Browse Nearby Words

Cite this Entry

“Bug.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bug. Accessed 9 Jun. 2026.

Kids Definition

bug

1 of 2 noun
1
a
: an insect (as a beetle) or other creeping or crawling invertebrate animal (as a centipede)
b
: any of an order of insects (as bedbugs and stinkbugs) that have sucking mouthparts and the forewings part leathery and part membranous and that undergo incomplete metamorphosis

called also true bug

2
: an unexpected mistake or imperfection
a bug in a computer program
3
: a disease-producing germ
also : a disease caused by it
4
: fan entry 3, enthusiast
a camera bug
5
: a concealed listening device

bug

2 of 2 verb
bugged; bugging
1
: to place a concealed microphone in
2
3
: freak entry 3
usually used with out

Medical Definition

bug

noun
1
a
: an insect or other creeping or crawling invertebrate animal (as a spider)
not used technically
b
: any of various insects (as the bedbug or cockroach) commonly considered obnoxious
c
: any of the order Hemiptera and especially of its suborder Heteroptera of insects that have sucking mouthparts, forewings thickened at the base, and that lack a pupal stage between the immature stages and the adult

called also true bug

2
a
: a microorganism (such as a bacterium or virus) especially when causing illness or disease
Enterococcus faecium, an especially nasty bug, often shrugs off even vancomycin, a last-resort antibiotic.Avery Comarow, U.S. News & World Report
b
: an often unspecified or nonspecific sickness presumed to be caused by such a microorganism
a stomach bug
suffering from the flu bug

Legal Definition

bug

transitive verb
bugged; bugging
: to plant a concealed microphone in compare eavesdrop, wiretap

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