The term "cool one's heels" is often used to refer to waiting patiently or idly. However, its antonyms, which mean the opposite of waiting patiently, include words like act impulsively, hasten, hurry up, move quickly, and speed up. These words suggest a sense of urgency and a need for swift action. While "cool one's heels" implies a passive approach, these antonyms convey a more active and prompt response to a situation. So, depending on the context, using an antonym instead of "cool one's heels" can change the meaning of a sentence completely. Thus, it's crucial to have a good understanding of the right words to use in any given situation.
