Antonyms for the term "fixed bodies" can include words like "movable," "flexible," "adaptive," "fluid," and "changeable." While fixed bodies suggest immobility and rigidity, antonyms convey a sense of movement, versatility, and adaptability. In some contexts, such as engineering or physics, fixed bodies may refer to objects that cannot be moved or changed easily. However, in other contexts such as fitness, health, or personal growth, the antonyms of fixed bodies take on a more positive connotation. They denote an openness to new possibilities, a willingness to experiment, and a commitment to growth and change. Ultimately, the opposite of fixed bodies is all about being fluid and adaptable in one's approach to life.