"Be tides" is an outdated expression that means "happen" or "occur." Some antonyms for "be tides" include "cease," "stop," and "end." These words indicate the opposite of something happening or occurring. Other antonyms include "prevent," "block," and "hinder," which suggest actively working to stop something from occurring. Alternatively, "avoid," "evade," and "escape" are antonyms that imply taking action to evade or stay away from something. These antonyms all offer a different perspective on the opposite of "be tides" and can be useful for expanding one's vocabulary and enhancing communication skills.