The word "joinings" means a connection or a joining together of two or more parts. The antonyms for "joinings" would be words that indicate separation, division, or isolation. Some possible antonyms could include words such as split, divide, disconnect, detach, break apart, sever, scatter, disperse, and isolate. These words are meant to show the opposite of bring together or join and imply a sense of separation or lack of unity. While joinings are often seen as positive or beneficial, antonyms remind us that separation and individuality can also be important and necessary.