The antonyms for the word "more glowering" are those that describe a brighter, more cheerful, and optimistic mood. These antonyms include words such as happy, content, delighted, joyful, pleased, exuberant, cheerful, and elated. These words convey a sense of positive emotions and signals a lack of negativity or bitterness. An individual who is happy and content is unlikely to have a glowering expression or demeanor. Using antonyms for "more glowering" can facilitate communication and promote positivity, making listeners more receptive to the message being conveyed. Overall, using antonyms for "more glowering" can help to lighten the mood and promote happiness and productivity.