Antonyms are words that are opposite in meaning to another word. In the case of "grand stands," some possible antonyms might include "humble seating," "basic bleachers," "modest stands," or "unimposing spectator seating." These antonyms suggest a more simple or utilitarian approach to providing seating for viewers, as opposed to the grandeur and ostentation that the term "grand stands" might suggest. They also point to a focus on function rather than form, with less emphasis on elaborate designs or expensive materials. Ultimately, the choice of antonym will depend on the specific context and intended meaning of the original term.