The word insecurest does not have any official antonyms as it is not recognized by the English language. However, if we consider the root word "insecure," its antonyms would be secure, confident, certain, assured, and safe. A person who is secure is self-assured and confident in their abilities. Confidence allows individuals to take risks and have faith in themselves. They feel assured that they can handle any situation, and they feel safe in their surroundings. Therefore, instead of focusing on being "insecurest," focus on building self-confidence and security within yourself.