1. the quality or state of being inactive, motionless, or lacking the ability to move or act
2. lack of chemical reactivity or resistance to chemical change
Usage: chemistry

Examples

• The patient’s inertness worried the medical team.
• The rock’s inertness made it difficult to move without heavy machinery.
• His mental inertness prevented him from making any decisions.
• The inertness of noble gases makes them useful in certain applications.
• The committee’s inertness frustrated those seeking quick action.
• Scientists study the inertness of certain materials under extreme conditions.