What is the meaning of terrible?

adjective

• Causing fear or dread or terror.
  • usage: "the awful war"; "an awful risk"; "dire news"; "a career or vengeance so direful that London was shocked"; "the dread presence of the headmaster"; "polio is no longer the dreaded disease it once was"; "a dreadful storm"; "a fearful howling"; "horrendous explosions shook the city"; "a terrible curse"
  • synonyms: awful, dire, direful, dread, dreaded, dreadful, fearful, fearsome, frightening, horrendous, horrific
• Exceptionally bad or displeasing.
  • usage: "atrocious taste"; "abominable workmanship"; "an awful voice"; "dreadful manners"; "a painful performance"; "terrible handwriting"; "an unspeakable odor came sweeping into the room"
  • synonyms: atrocious, abominable, awful, dreadful, painful, unspeakable
• Intensely or extremely bad or unpleasant in degree or quality.
  • usage: "severe pain"; "a severe case of flu"; "a terrible cough"; "under wicked fire from the enemy's guns"; "a wicked cough"
  • synonyms: severe, wicked
• Extreme in degree or extent or amount or impact.
  • usage: "in a frightful hurry"; "spent a frightful amount of money"
  • synonyms: frightful, awful, tremendous