Define grand: involving or including many people or things: very large in the grand total of all money paid outb: definitive, incontrovertible grand example. One side has the word, one side has the definition. Microwave and howrya man havent seen ya in a good while? as sure im grand, not a bother on me. I would think that you could use " grand " with any currency -- the word simply means "thousand." Thus: How many rubles did you have to pay for.