tremendous

adj

1. Awe-inspiring; terrific.

   “This she spoke with so commanding an air, standing with her back to the fire, with one hand behind her, and a pinch of snuff in the other, that I question whether Thalestris, at the head of her Amazons, ever made a more tremendous figure.”

2. Notable for its size, power, or excellence.

   “Van Beethoven's ninth symphony is a tremendous piece of music.”

3. Extremely large (in amount, extent, degree, etc.) or great

   “There was a tremendous outpouring of support.”

   “The tremendous tragedy in which he had been involved - it was evident he was a fugitive from Weybridge - had driven him to the very verge of his reason.”