Definition of burden noun from the Oxford Advanced American Dictionary

     

    burden

     noun
    noun
    NAmE//ˈbərdn//
     
     
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  1. 1 the burden (of something) a burden (on/to somebody) a duty, responsibility, etc. that causes worry, difficulty, or hard work to bear/carry/ease/reduce/share the burden The main burden of caring for old people falls on the family. the heavy tax burden on working people I don't want to become a burden to my children when I'm old.
  2. 2(formal) a heavy load that is difficult to carry see also beast of burden
See the Oxford Advanced Learner's Dictionary entry: burden