The antonyms for the term "reduced speed" are fast, quick, swift, accelerated, and increased speed. These terms denote the opposite of slowing down or decelerating, and are often used in situations where speed is of the essence. For example, in the field of sports, athletes aim to increase their speed to achieve their goals. In technology and transportation industries, increased speed is often necessary for efficiency and productivity. In the context of road safety, reducing speed is vital but increasing speed can be dangerous. Therefore, it is essential to understand the antonyms of "reduced speed" to ensure appropriate communication of required speed limits in various contexts.