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1

bug

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noun \ˈbəg\

Definition of bug

obsolete

  1. :  bogey, bugbear



Origin of bug

Middle English bugge hobgoblin; probably akin to Low German bögge goblin


First Known Use: 14th century

Rhymes with bug


2

bug

noun

Definition of bug

  1. 1 a :  an insect or other creeping or crawling invertebrate (as a spider or centipede) b :  any of several insects (as the bedbug or cockroach) commonly considered obnoxious c :  any of an order (Hemiptera and especially its suborder Heteroptera) of insects that have sucking mouthparts, forewings thickened at the base, and incomplete metamorphosis and are often economic pests —called also true bug

  2. 2 :  an unexpected defect, fault, flaw, or imperfection <the software was full of bugs>

  3. 3 a :  a germ or microorganism especially when causing disease b :  an unspecified or nonspecific sickness usually presumed due to a bug

  4. 4 :  a sudden enthusiasm

  5. 5 :  enthusiast <a camera bug>

  6. 6 :  a prominent person

  7. 7 :  a crazy person

  8. 8 :  a concealed listening device

  9. 9 [from its designation by an asterisk on race programs] :  a weight allowance given apprentice jockeys



Origin of bug

origin unknown


First Known Use: 1622

Other Insect Terms


3

bug

verb

Definition of bug

buggedbug·ging

  1. transitive verb
  2. 1 :  to plant a concealed microphone in

  3. 2 :  bother, annoy <don't bug me with petty details>

  4. intransitive verb
  5. :  to lose one's composure :  freak —often used with out



1935

First Known Use of bug

1935

Other Audio Recording Terms


4

bug

verb

Definition of bug

buggedbug·ging

of the eyes

  1. intransitive verb
  2. :  protrude, bulge —often used with out

  3. transitive verb
  4. :  to cause to bug <his eyes were bugged with horror>



Origin of bug

probably from 2bug


First Known Use: 1865


Bug

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geographical name \ˈbüg\

Definition of Bug

  1. 1 river over 450 miles (720 kilometers) cen Europe rising in W Ukraine, forming part of Ukraine-Poland and Poland-Belarus borders, & flowing into the Vistula in Poland

  2. 2 river over 500 miles (805 kilometers) SW Ukraine flowing SE to the Dnieper estuary





BUG Defined for Kids

1

bug

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noun \ˈbəg\

Definition of bug

  1. 1 :  any of a large group of insects that have four wings, suck liquid food (as plant juices or blood), and have young which resemble the adults but lack wings

  2. 2 :  an insect or other small creeping or crawling animal

  3. 3 :  flaw <a bug in the computer system>




2

bug

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verb

Definition of bug

buggedbug·ging

  1. 1 :  1bother 1, annoy

  2. 2 :  to stick out —often used with out <It was a grisly sight, and Mary Alice's eyes bugged. — Richard Peck, A Long Way from Chicago>




Medical Dictionary

bug

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noun \ˈbəg\

Medical Definition of bug

  1. 1a:  an insect or other creeping or crawling invertebrate animal (as a spider)—not used technicallyb:  any of various insects commonly considered especially obnoxious: as:  bedbug:  cockroach:  head lousec:  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. 2a:  a disease-producing microorganism and especially a germb:  a disease caused by such microorganisms; especially :  any of various respiratory conditions (as influenza or grippe) of virus origin





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