"Wert down the mouth" is not a word but a phrase that means to feel sad or disheartened. There are several antonyms for this phrase, such as feeling happy, joyful, elated, and content. When one is not "wert down the mouth," it means they are in a positive emotional state, and they have a high spirit. Other antonyms for this phrase include feeling satisfied, pleased, delighted, overjoyed, and ecstatic. It is essential to express our emotions correctly, and with the use of antonyms, we can have a better understanding of our feelings and boost our emotional wellbeing.