Self-dependent is a term used to describe an individual who is autonomous, self-reliant, and able to take care of themselves without the help of others. The antonyms of self-dependent are dependent, helpless, and reliant. These words signify a lack of independence and the need for support and assistance from others. For example, a person who is dependent is reliant on someone else for their basic needs and cannot function without assistance. Helpless implies a state of powerlessness, where one is unable to take care of themselves or make decisions independently. In contrast, self-dependent individuals are confident and capable of taking care of themselves and making their own decisions.