The antonyms for the word "in secure" include "secure," "confident," "reassured," "composed," and "serene." Each of these words describes a feeling of safety, stability, and confidence in oneself or one's circumstances. For example, someone who feels secure is not worried about potential threats or dangers, while someone who is confident trusts their abilities to handle challenges. Being reassured means that one has received support or confirmation that everything is okay, while being composed and serene suggests a calm and peaceful state of mind. It's essential to recognize the antonyms of "in secure" to promote mental health, wellbeing, and a positive self-image.