The opposite of in-secure is secure. To be secure means to have no doubts, fears, or uncertainties about oneself, one's future or circumstances. It refers to the state of being safe and protected from harm or danger. A person who is secure is confident, self-assured and has a sense of stability about themselves and their situation. Being secure enables people to take risks, to try new things and grow without the fear of failure or rejection. In contrast, being in-secure can lead to anxiety, self-doubt, and a lack of confidence. It is important to address insecurities adequately to live a confident and fulfilling life.