What is the meaning of tremendous?

adjective

• Extraordinarily large in size or extent or amount or power or degree.
  • usage: "an enormous boulder"; "enormous expenses"; "tremendous sweeping plains"; "a tremendous fact in human experience; that a whole civilization should be dependent on technology- Walter Lippman; "a plane took off with a tremendous noise"
  • synonyms: enormous
• Extraordinarily good or great; used especially as intensifiers.
  • usage: "a fantastic trip to the Orient"; "the film was fantastic"; "a howling success"; "a marvelous collection of rare books"; "had a rattling conversation about politics"; "a tremendous achievement"
  • synonyms: fantastic, grand, howling, marvelous, marvellous, rattling, terrific, wonderful, wondrous
• Extreme in degree or extent or amount or impact.
  • usage: "in a frightful hurry"; "spent a frightful amount of money"
  • synonyms: frightful, terrible, awful