The word "cue ball" refers to a solid white ball used in the game of pool or snooker. Some antonyms for this word could include "colored ball," "striped ball," or "patterned ball," which are also used in these games but have distinct decorative markings or colors. Another antonym could be "non-pool ball," which would refer to any type of ball that is not specifically used in the game of pool. Overall, antonyms for "cue ball" would describe any ball that is not a plain white ball used for shooting in pool or snooker.