Someone who is happy has feelings of pleasure, usually because something nice has happened or because they feel satisfied with their life. Marina was a confident, happy child. I'm just happy to be back running. Her face relaxed into a happy smile. HAPPY definition: 1. feeling, showing, or causing pleasure or satisfaction: 2. (used in greetings for special…. Learn more. Define happy. happy synonyms, happy pronunciation, happy translation, English dictionary definition of happy. adj. hap·pi·er , hap·pi·est 1. Enjoying, showing, or marked by pleasure, satisfaction, or joy. Happy is a feeling of joy, pleasure, or good fortune — exactly how you'd feel if you learned that you won the lottery or got accepted into your number one choice of colleges. The meaning of HAPPY is enjoying or characterized by well-being and contentment. How to use happy in a sentence. Synonym Discussion of Happy. We are so happy that you were able to come to the party. They are not at all happy about the rise in taxes. He's not happy with the way the project is going. It's great that he won the scholarship. I'm very happy for him. [=I am glad something good happened to him] Some common synonyms of happy are fortunate, lucky, and providential. While all these words mean meeting with unforeseen success, happy combines the implications of lucky and fortunate with stress on being blessed. HAPPY meaning: 1. feeling, showing, or causing pleasure or satisfaction: 2. (used in greetings for special…. Learn more. Happiness is a complex and multifaceted mental state that encompasses a range of positive feelings, from contentment to intense joy. It is often associated with positive life experiences, such as achieving goals, spending time with loved ones, or engaging in enjoyable activities. Happy is a feeling of joy, pleasure, or good fortune — exactly how you'd feel if you learned that you won the lottery or got accepted into your number one choice of colleges.