Grief defined:burden

ɡriːf/
noun
noun: grief
  1. 1.
    intense sorrow, especially caused by someone’s death.
    “she was overcome with grief”
    antonyms: joy
    • an instance or cause of intense sorrow.
      plural noun: griefs
      “time heals griefs and quarrels”
  2. 2.
    informal
    trouble or annoyance.
    “the police gave us constant grief at the match”
Origin
Middle English: from Old French grief, from grever ‘to burden’ (see grieve1).