The phrase "spick-and-span" is most commonly used to describe something that is clean, tidy, and in perfect condition. However, there are many antonyms to this word. For example, the opposite of spick-and-span could be dirty, grimy, messy, or unkempt. It can also be described as shabby, cluttered, or disorganized. Furthermore, untidy, disorderly, and unclean could also be antonyms for spick-and-span. These words can be used to describe a surface, a room, a building, or even a person's appearance. In short, there are many antonyms to the word "spick-and-span," all of which describe the opposite of a clean and tidy state.