Retool/ˌriːˈtuːl/ Definition 1 of 2Pro Tip 1/3Broad Application Not just for physical objects; can also refer to updating skills or methods. Teachers had to retool their strategies to engage in online education. Pro Tip 2/3Not Starting Over Implies improving what already exists rather than rebuilding from scratch. Our team needs to retool our approach, but our goal remains the same. Pro Tip 3/3Progress and Innovation Often used to show adaptation to new trends or technologies. With the rise of electric cars, auto manufacturers are retooling for the future.