Antonyms for "bides one's time" would be words or phrases that indicate immediate action or impatience. Some of the words that can represent antonyms of "bides one's time" are impulse, hasten, rush, act now, and seize the moment. These words suggest that one should not wait or procrastinate, but rather take decisive actions immediately. Antonyms to bide one's time express the idea of taking risks or seizing opportunities as soon as they present themselves, without waiting for a favorable moment. These words represent a contrasting concept to the idea of waiting patiently for the right moment to act.