grandest

adjective

1. 1

   Of a large size or extent; great.

   “a grand army”

2. 2

   Great in size, and fine or imposing in appearance or impression; illustrious, dignified, magnificent.

   “His simple vision has transformed into something far more grand.”

3. 3

   Having higher rank or more dignity, size, or importance than other persons or things of the same name.

   “The Grand Viziers of the Ottoman Empire.”

4. 4

   (usually in compound forms) Standing in the second or some more remote degree of parentage or descent.

   “grandfather, grandson, grand-child”

5. 5

   Fine; lovely.

   “A cup of tea? That'd be grand.”

6. 6

   Containing all the parts proper to a given form of composition.