What does bug mean?

Looking for the meaning or definition of the word bug? Here's what it means.

Noun (colloquial, chiefly US) Any insect, arachnid, myriapod or entognath. (entomology) An insect of the order Hemiptera (the "true bugs"). (colloquial) Any insect, arachnid, or other terrestrial arthropod that is a pest. Any of various species of marine or freshwater crustaceans; e.g. a Morton Bay bug, mudbug. (computing) A problem that needs fixing. A contagious illness; a bacterium or virus causing it An enthusiasm for something; an obsession An electronic intercept device A small and and usually invisible file (traditionally a single-pixel image) on a World Wide Web page, primarily used to track users. (broadcasting) A small, usually transparent or translucent image placed in a corner of a television program to indicate what network or cable channel is televising it (aviation) A manually positioned marker in flight instruments A semi-automated telegraph key. (obsolete) A bugbear; anything that terrifies. (chiefly LGBT, "the bug") HIV. (poker) A limited form of wild card in some variants of poker. (paleontology, slang) A trilobite. Verb (informal, transitive) To annoy. (transitive) To install an electronic listening device or devices in. Find more words! 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What is the opposite of bug? Sentences with the word bug Words that rhyme with bug What is the past tense of bug? What is the plural of bug? What is the adjective for bug? What is the noun for bug? Translations for bug Nearby Definitions bufuralol Bufton Tuftons Bufton Tufton bufrolin bufotoxins bufotoxin Bug bugaboo bug-a-boo bugaboos bug-a-boos bugaku 3-letter Words Starting With b bu