"Bringing up short" means to suddenly stop or halt abruptly. The antonyms of this phrase are related to movements that are fluid, smooth, and uninterrupted. These include terms like "coasting," "flowing," "gliding," "sailing," "sliding," "sweeping," and "swooping." If we think about these words in the context of everyday life, we can associate them with driving a car on a clear road, gliding through a swimming pool, or being carried along by the wind. These antonyms imply a sense of ease and freedom, whereas "bringing up short" can connote a sense of discomfort, surprise, or even danger.