Popularize/ˈpɑːpjələraɪz/ Definition 1 of 1Pro Tip 1/3Cultural Impact Shows influence on society, changing how people think or behave. Celebrities can popularize new fashion trends quickly. Pro Tip 2/3Not Always Positive Something being popularized doesn't mean it's always good or beneficial. Junk food has been popularized despite its health risks. Pro Tip 3/3Agent of Change It often indicates someone taking action to spread an idea or habit. She worked tirelessly to popularize renewable energy solutions.