1. Extraordinarily large in size or extent or amount or power or degree
   "tremendous sweeping plains"; "a tremendous fact in human experience; that a whole civilization should be dependent on technology"; "a plane took off with a tremendous noise"
   - enormous, ginormous [Brit] 
2. Extraordinarily good or great; used especially as an intensifier
   "a tremendous achievement"
   - fantastic, grand, howling, marvelous [US], marvellous [Brit, Cdn], rattling, terrific, wonderful, wondrous 
3. Extreme in degree or extent or amount or impact
   - frightful, terrible, awful

See also: big, extraordinary, large, tremendously

Encyclopedia: Tremendous

• sharkskin
• sharksucker
• sharp
• sharp practice
• sharp tongue
• sharp-angled
• sharp-cornered
• sharp-eared
• sharp-eyed
• sharp-limbed
• sharp-nosed
• sharp-pointed
• sharp-set
• sharp-sighted
• sharp-sightedness
• sharp-tailed grouse
• sharp-tasting
• let it go
• let loose
• let off
• let on
• let rip
• let the cat out of the bag
• let-out
• letch