The word "be miring" means to sink or get stuck in mud or a swampy area. Its antonyms would be words that are opposite in meaning to it. Words such as "rise," "ascend," and "elevate" all convey an opposite meaning of getting stuck or sinking. Other antonyms for "be miring" could include "free," "save," and "liberate," as the word suggests a state of being trapped or confined. Additionally, words such as "dry," "solidify" and "harden" could also be considered antonyms, as they suggest a state of firmness rather than a soft, muddy consistency.