What is Self-esteem & what is its meaning: Self Esteem is defined as the self-worthiness of an individual and his overall positive mental status and his happiness. It’s how much an individual likes and appreciates himself, he feels on top of the world compare to others. One who is having high self-esteem should able to shout very high as I love myself and I am able to do anything I plan and which I want to achieve. Nothing stops me to break the rock or build the bridge to the sea. Self-esteem is a very strong foundation for a great career.