The spirit or attitude of wanting to think and act independently; the desire for self-reliance and autonomy.
親は子どもの自立心を育てることが大切だと考えている。
Parents think it's important to foster their children's sense of independence.
大学で一人暮らしを始めて、自立心が強くなった。
After starting to live alone at university, my sense of independence grew stronger.
職場では自立心のある社員が評価されることが多い。
In the workplace, employees with initiative are often valued.