Replacement/rɪˈpleɪsmənt/ Definition 1 of 3Pro Tip 1/3Physical Objects Used for tangible items that are swapped out due to wear or damage. After the accident, the car's door needed a replacement. Pro Tip 2/3Interchangeable Usage Can refer to both the new item and the act of replacing the old one. The locksmith handled the lock replacement efficiently. Pro Tip 3/3Not Always Identical The new item may differ slightly but serves the same purpose. This model is a suitable replacement for the discontinued version.