"On one's own" is a phrase that typically refers to independence and self-reliance. However, there are several antonyms for this term that convey a sense of dependency or collaboration. Some examples of antonyms for "on one's own" include "assisted," "aided," "supported," "collaborative," "team-oriented," and "cooperative." These words suggest a willingness to seek help or guidance from others, and an understanding that no one can accomplish everything alone. In a context where independence is valued, such as in a business or competitive setting, it can be useful to remember that cooperation and teamwork can often lead to greater success in the long run.