"Are happy" is a commonly used phrase that refers to the state of feeling joyous and content. There are many words and phrases that can be used as synonyms for "are happy", such as "feeling delighted", "filled with joy", "ecstatic", "pleased", "elated", "contented", "delighted", "overjoyed", "gleeful", "cheerful", "jubilant", "merry", "joyful", "blissful", "upbeat" and "satisfied". Each of these words and phrases convey different levels of happiness and are perfect for expressing one's emotions in a variety of situations, from expressing gratitude to compliments and celebrating a milestone or achievement.