The antonyms for the word "being moody" are numerous and offer a range of emotions that are opposite to moodiness. These include being cheerful, joyful, lively, content, peaceful, steady, even-tempered, and stable. These emotions are characterized by a lack of volatility or fluctuations of mood, a sense of calmness, and a positive outlook on life. Being cheerful and joyful involves having a positive attitude, being lively and energetic, and finding pleasure in everyday activities. Being content and peaceful suggests a sense of fulfillment and contentment, while being steady, even-tempered, and stable implies an emotional balance and resilience. Overall, these antonyms offer a diverse range of emotions that are valuable in promoting mental health and well-being.