Becoming independent — standing on one's own financially or personally without depending on parents or support.
大学卒業後、彼は一人暮らしを始めて独り立ちした。
After graduating from university he started living alone and became independent.
子どもの独り立ちを見守るのも親の役目だ。
Part of a parent's role is to watch over their child's becoming independent.
フリーランスとして独り立ちするには準備が必要だ。
You need preparation to stand on your own as a freelancer.
Standing on one's own feet without supports (e.g., crutches or a cane); used in contexts of rehabilitation or physical recovery.
リハビリのおかげで、彼はついに杖なしで独り立ちできた。
Thanks to rehabilitation, he was finally able to stand unaided without a cane.
手術後、看護師は患者の独り立ちを確認した。
After the surgery, the nurse confirmed the patient's ability to stand unaided.
数週間の訓練で高齢者が独り立ちに成功した。
With weeks of training the elderly person succeeded in standing on their own.