The antonyms for the word "re-occupying" include vacating, leaving, deserting, abandoning, evicting, relinquishing, surrendering, and yielding. Vacating refers to voluntarily or forcibly leaving a place, whereas leaving and deserting imply voluntarily abandoning a location or position. Abandoning means to give up completely, while evicting refers to being forced to leave. Relinquishing and surrendering suggest willingly giving up control or possession of something. Yielding means to concede or give up control or possession to someone else. In general, the antonyms for re-occupying all suggest leaving a place or position without the intention of returning or regaining control.