adjective
grander; -est
involving or including many people or things :very large in scope
Something that happens or is done on a grand scale involves a great amount of money, effort, space, people, or things.
impressive because of size, importance, etc.
intended to impress people
always used before a noun :having higher rank than others of the same kind
informal :very good
noun
plural grand
[count] informal :a thousand dollars or pounds
noun
plural grands
[count] :grand piano