Engirt is a rarely used verb that means to encircle or surround. Some synonyms for this word include encompass, encircle, surround, and gird. These words all convey the sense of something being enclosed or circled around by something else. Another similar word is ringed, which suggests something being surrounded by a circular formation, like a ring or halo. Additionally, phrases like hemmed in or boxed in could be used as synonyms for engirt, in that they also convey the sense of something being surrounded or enclosed. While not a commonly used word, engirt and its synonyms can add color and nuance to writing when seeking to describe something being encircled or surrounded.