The antonyms for the phrase "be wind" are words that imply stillness or calmness. Some examples of these antonyms include "motionless," "stagnant," "quiet," "calm," and "peaceful." These words capture the opposite of the concept of being wind, which is characterized by movement, speed, and often turbulence. By using these antonyms, one can evoke a sense of stillness or peacefulness that is the direct opposite of the dynamic and unpredictable nature of the wind. In this way, antonyms provide an important tool for conveying complex ideas and emotions in the English language.