Most grousing refers to someone who is complaining or grumbling excessively. Antonyms for this phrase could be positive words such as content, satisfied, joyful, or happy. People who are content or satisfied with their lives typically do not have much to complain about or grumble about. Instead, they focus on the good things in their life and are more likely to express gratitude and happiness. Being joyful or happy also means that a person actively seeks out positive experiences and focuses on the positive aspects of their life. Therefore, the antonyms of most grousing focus more on positivity, contentment, and happiness.