Definition of "grand"

(augmentative) Large, senior (high-ranking), intense, extreme, or exceptional

1. Of a large size or extent; great.  examples

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

   Quotations

   • In the mean time, Cluffe had arrived. He was a little bit huffed and grand at being nailed as an evidence, upon a few words carelessly, or, if you will, confidentially dropped at his own mess-table, where Lowe chanced to be a guest; and certainly with no suspicion that his little story could in any way be made to elucidate the mystery of Sturk's murder.

     1863, Sheridan Le Fanu, The House by the Churchyard

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

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

(Ireland, Northern England, colloquial, otherwise dated) Fine; lovely.  examples

(music) Containing all the parts proper to a given form of composition.  examples

(plural "grand") A thousand of some unit of currency, such as dollars or pounds. (Compare G.)  examples

(music, plural "grands") A grand piano  examples

A grandparent or grandchild.  quotations  examples