The phrase "down in the dumps" is often used to describe a feeling of sadness, depression or low spirits. However, there are several antonyms that can be used to describe the opposite feeling. Words like "ecstatic," "jubilant," "elated," "thrilled," "overjoyed," "gleeful" and "upbeat" can be used to express the opposite emotions. These words describe feelings of extreme happiness, pleasure and contentment. It's important to remember that everyone experiences ups and downs in life, and it's normal to feel down in the dumps from time to time. However, focusing on the positive and using positive language can help to shift our mood and mindset towards more positive emotions.