Leakage/ˈliːkɪdʒ/ Definition 1 of 4Pro Tip 1/2Physical Context Used when referring to actual substances escaping from a place meant to contain them. Regular inspections can prevent water leakage from pipes. Pro Tip 2/2Safety Concerns Often associated with potential danger, especially with gas or chemical leaks. The factory was evacuated due to a toxic chemical leakage.