Refit/ˈriːfɪt/ Definition 1 of 2Pro Tip 1/3Not Decorative Refit' implies functional improvements, not just cosmetic changes. The garage did not just paint the car, they refitted the engine. Pro Tip 2/3Complete Overhaul Refitting often involves a thorough and complete process, not just minor adjustments. The old bus needs to be refitted with new seats and an engine. Pro Tip 3/3Preparation Required Refit can suggest preparation for a new or specific purpose. The research laboratory was refitted for the new experiment.