The word "clingiest" refers to someone who is overly attached, dependent and attached to the point of annoyance. Some antonyms of "clingiest" can be words such as independent, self-reliant, self-sufficient, autonomous, and detached. These words describe individuals who are comfortable with their own autonomy and able to manage and thrive in their own company. Other antonyms for clingiest could be unemotional, aloof, detached, distant, reserved, and cold. These words describe individuals who prefer to keep their distance and avoid any form of attachment or dependency on others. Ultimately, the antonyms for clingiest provide a sense of balance and independence that is essential for emotional and mental well-being.