Definition of bore noun from the Oxford Advanced Learner's Dictionary

     

    bore

     noun
    noun
    BrE BrE//bɔː(r)//
     
    ; NAmE NAmE//bɔːr//
     
    see also bear, bore, borne Boredom, Rivers and lakes
     
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  1. 1[countable] a person who is very boring, usually because they talk too much See related entries: Boredom
  2. 2[singular] a situation or thing that is boring or that annoys you It's such a bore having to stay late this evening. It’s a real bore having to meet my aunt for lunch.
  3. 3[countable] (also gauge especially in North American English) the hollow inside of a tube, such as a pipe or a gun; the width of the hole a tube with a wide/narrow bore a twelve-bore shotgun
  4. 4[countable] a strong, high wave that rushes along a river from the sea at particular times of the year See related entries: Rivers and lakes
  5. 5[countable] (also borehole) a deep hole made in the ground, especially to find water or oil
  6. Word Originnoun sense 3 and noun sense 5 Old English borian (verb), of Germanic origin; related to German bohren. noun senses 1 to 2 mid 18th cent. (as a verb): of unknown origin. noun sense 4 early 17th cent.: perhaps from Old Norse bára ‘wave’; the term was used in the general sense ‘billow, wave’ in Middle English.Idioms (old-fashioned, British English) a very boring person
See the Oxford Advanced American Dictionary entry: bore