bug — English Dictionary

bug
Word-form referencesbog
Pronunciations (4)
  • /bʌɡ/
    Pronunciation notes
    • General-American
    • Received-Pronunciation
  • /bɐɡ/
    Pronunciation notes
    • Australia
    • New-Zealand
  • /bʊɡ/
    Pronunciation notes
    • Northern-England
  • bʌɡ

Noun

  1. An insect of the order Hemiptera (the “true bugs”).

    Examples
    More examples (1)

    Several pretty beetles, a superb "bug," and a few nice land-shells were obtained, and I returned in the afternoon well satisfied with my first trial of the promised land.

  2. Any motile small terrestrial invertebrate, especially one that is seen as a pest.

    Usage
    • Informal
    • proscribed
    Examples
    More examples (1)

    Speaking of advertising changes of name, a title by which those lodging-house pests, bugs, are now often known, that of Norfolk Howards, is derived from an advertisement in which one Ephraim Bug avowed his intention of being for the future known as Norfolk Howard.

    Bugs are generated from the moisture of living animals, as it dries up outside their bodies. Lice are generated out of the flesh of animals.

    These flies are a bother. I’ll get some bug spray and kill them.

  3. Any minibeast.

    Usage
    • Informal
  4. Any minibeast. Any insect, arachnid, myriapod or entognath. Any insect.

    Usage
    • Informal
    Examples

    A: Eew, what is that thing?! Is that a bug?! B: No, it's a spider. And don't worry: she's not gonna hurt you.

  5. Any minibeast. Any insect, arachnid, myriapod or entognath. Any of various species of marine (saltwater or freshwater) crustaceans; e.g. a Moreton Bay bug, mudbug.

    Usage
    • Informal
    Examples

    Bugs, oysters, prawns and crabs […] are plated up on the decks of four side-by-side trawlers bobbing on the calm waters of Trinity Inlet.

  6. Any minibeast. Any insect, arachnid, myriapod or entognath. A trilobite.

    Usage
    • Informal
    • Slang
    Examples
    More examples (1)

    We asked Harris if he had any recommendations about seeing the famous trilobite digs. He said we should just drive out to his claim in the Wheeler Quadrangle, and it was just fine with him if we dug a few bugs.

  7. Any minibeast. Any insect, arachnid, myriapod or entognath. A lobster.

    Usage
    • Maine
    • Informal
  8. Any minibeast. Any insect, arachnid, myriapod or entognath. A bedbug.

    Usage
    • UK usage
    • Informal
    • Obsolete
    • specifically
  9. A problem that needs fixing.

    Usage
    • jargon
    Synonyms
    Examples

    The software bug led the computer to calculate 2 plus 2 as 3.

    More examples (2)

    I have the right principle and am on the right track, but time, hard work and some good luck are necessary too. It has been just so in all of my inventions. The first step is an intuition, and comes with a burst, then difficulties arise — this thing gives out and [it is] then that "Bugs" — as such little faults and difficulties are called — show themselves and months of intense watching, study and labor are requisite before commercial success or failure is certainly reached.

    A... leading aluminum producer claims it has worked all the bugs out of building and servicing aluminum radiators, says it hopes to have a large chunk of the radiator market by the early nineteen seventies.

  10. A contagious illness, or a pathogen causing it.

    Examples

    He's got the flu bug.

  11. An enthusiasm for something; an obsession.

    Usage
    • Informal
    Examples

    I caught the skiing bug while staying in the Alps.

    More examples (1)

    As we rode in the bus in the weird phosphorescent void of the Lincoln Tunnel we leaned on each other with fingers waving and yelled and talked excitedly, and I was beginning to get the bug like Dean.

  12. A keen enthusiast or hobbyist.

    Usage
    • Informal
    Examples

    His mother had been a bug on astrology, which was why the moment of his birth had been impressed on him so exactly.

    More examples (1)

    Incidentally, the camera manufacturers have had a new worry—that they might "kill off the hobby," as U.S. Camera magazine put it recently—by automating to the point that real camera bugs would feel no challenge.

  13. A concealed electronic eavesdropping or intercept device

    Synonyms
    Examples

    We installed a bug in her telephone.

  14. A small and usually invisible file (traditionally a single-pixel image) on a World Wide Web page, primarily used to track users.

    Examples

    He suspected the image was a Web bug used for determining who was visiting the site.

  15. A small, usually transparent or translucent image placed in a corner of a television program to identify the broadcasting network or cable channel.

    Examples

    Channel 4's bug distracted Jim from his favorite show.

    The score bug displays the current football score over the ongoing match.

  16. A manually positioned marker in flight instruments.

    Examples
    More examples (1)

    You look up the proper speed for the phase of flight, set the reminder bug, and then literally forget the speed. You don't read the airspeed number, you fly to the bug.

  17. A semi-automated telegraph key.

    Examples
    More examples (2)

    At this point your telegraph operator, sitting at your right, goes "Ticky-tick-tickety-de-tick-tick," with his bug, as he calls his transmitter, and looks at you expectantly.

    As far as the dashes are concerned, the bug is the same in operation as any regular key would be if it were turned up on edge instead of sitting flat on the desk.

    I was a very good radio operator. I bought my own bug. That's what the telegraph key in its modern form was called. It was semiautomatic.

  18. Hobgoblin, scarecrow; anything that terrifies.

    Usage
    • Obsolete
    Examples

    Sir, spare your threats: / The bug which you would fright me with I seek.

    More examples (1)

    In old wives tales that in old time did live, To whose odde tales much credit men did give, Great store of goblins, fairies, bugs, nightmares, Urchins, and elves, to many a house repaires.

  19. HIV.

    Examples
    More examples (1)

    The arguably most debated bareback practice that came to attract attention early on (and still does) was that of "bug chasing," in which HIV-negative men (bug chasers) actively seek out sex with HIV-positive men (gift givers).

  20. A limited form of wild card in some variants of poker.

  21. Synonym of oil bug.

    Usage
    • US usage
    • Dated
    • Slang
    Examples
    More examples (1)

    Now, only three years later, most of the major oil companies maintain staffs of these men who examine cores, classify the various types of "bugs," or foraminifera, and make charts showing the depths at which each of the hundreds of types is found.

  22. An asterisk denoting an apprentice jockey's weight allowance.

    Usage
    • US usage
    • Slang
    Examples

    The "bugs" are the asterisks next to the apprentice's name. One bug is a five-pound allowance, two bugs equal seven pounds, and three bugs equal ten pounds.

  23. A young apprentice jockey.

    Usage
    • US usage
    • broadly
    • Slang
    Synonyms
  24. Synonym of union bug.

  25. A small piece of metal used in a slot machine to block certain winning combinations.

    Usage
    • Slang
    Examples
    More examples (1)

    Because many illegal slot-machine operators here and abroad do not like to give the slot-machine player even one chance to hit the jackpot or the big bonus, they make use of a "bug." This is a small, flat half-circle of iron about an inch long, which looks something like a bug.

  26. A metal clip attached to the underside of a table, etc. to hold hidden cards, as a form of cheating.

    Usage
    • Slang
    Examples

    Some clumsy or audacious sharpers will go so far as to hold out cards in their lap, or stick them in a "bug" under the table.

    More examples (1)

    Fargo had been in a saloon in Kansas when a man was caught using a bug. Made of steel and shaped like a money clip with two sharp ends, the bug was jammed under a table and held cards the bug's owner palmed until they were needed.

Verb

  1. To annoy.

    Usage
    • Informal
    • Transitive
    Examples

    Don’t bug me, I’m busy!

  2. To act suspiciously or irrationally, especially in a way that annoys others.

    Usage
    • Informal
    • Intransitive
    Examples

    I'm worried about Wallace. He's been buggin' all week.

  3. To install an electronic listening device or devices in.

    Usage
    • Transitive
    Synonyms
    Examples

    We need to know what’s going on. We’ll bug his house.

  4. To bulge or protrude.

    Usage
    • Intransitive
    • of eyes
    Examples
    More examples (1)

    I well remember the combination of excitement and apprehension with which I tentatively entered my first "rap." My eyes bugged open. There must have been 25 women in the room. I don't think I had ever seen so many lesbians all together in one place before.

  5. To represent (a value) using a bug on an instrument.

    Usage
    • Transitive
    Examples

    You (or the autopilot) are still steering to the bugged heading […]

Noun

  1. general term for any insect or similar creeping or crawling invertebrate

    Broader terms
  2. a fault or defect in a computer program, system, or machine

    Synonyms
    Broader terms
  3. a small hidden microphone; for listening secretly

    Broader terms
  4. insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis

    Broader terms
  5. a minute life form (especially a disease-causing bacterium); the term is not in technical use

    Synonyms

Verb

  1. annoy persistently

    Examples

    The children teased the boy because of his stammer

  2. tap a telephone or telegraph wire to get information

    Broader terms
    Examples

    The FBI was tapping the phone line of the suspected spy

    Is this hotel room bugged?

Word forms
bugsbuggbugsbuggingbuggedbugged

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