Boon/buːn/ Definition 1 of 2Pro Tip 1/3Contemporary Relevance Use 'boon' in contexts related to modern facilities, technology, or conveniences that ease life. The new carpooling app is a boon for daily commuters. Pro Tip 2/3Positive Impact Employ 'boon' to emphasize the positive effect or aid something provides in a situation. His timely advice proved a boon during the financial crisis. Pro Tip 3/3Cultural Reference When 'boon' is used in cultural context, it often refers to communal or societal benefits. Free public libraries are a boon to cultural education.