The antonyms for the word "more flashing" are simple, subtle, and subdued. Instead of boldly flashing, one can opt for a more understated approach with a simple design or a subtle pattern. This can create a more sophisticated and elegant look without being too overwhelming or distracting. Choosing subdued colors or matte finishes can also provide a more calm and relaxed atmosphere. By using antonyms for "more flashing," you can create a balanced aesthetic that is both visually appealing and comfortable to be around. Remember, less is often more when it comes to design.