Board out implies boredom or frustration with regard to a particular situation or task. Antonyms for board out would be excitement, enthusiasm, engagement, and interest. Finding a new hobby, project, or goal could help alleviate feelings of board out. Traveling, meeting new people, and learning new things can also be useful in combating board out. Engaging in physical or mental activities such as exercise, reading, and puzzle solving can help stimulate the mind and help you stay interested and focused. Lastly, having a positive attitude and a curious mind can help prevent board out from occurring in the first place.