Gird in is a phrase that refers to the action of confining, surrounding, or enclosing someone or something. The opposite of gird in is to liberate, release, or free. Other antonyms for gird in include open up, loosen, expand, and unshackle. These antonyms suggest the opposite action of constraining or restricting. To open up is to make more accessible or available, while loosening implies relaxing tight restraints. When something expands, it means it is growing or spreading out, and to unshackle is to remove all chains or limitations. Using these antonyms, one can achieve a more precise and nuanced way of expressing the opposite action of girding in.