1. in a manner relating to inertia or the tendency of objects to resist changes in motion
Usage: physics; technical

Examples

• The spacecraft moved inertially through space after its engines shut off.
• The gyroscope maintains its orientation inertially.
• Objects behave inertially when no external forces act upon them.
• The satellite continued inertially along its orbital path.
• The pendulum swings inertially once set in motion.
• Navigation systems often rely on inertially guided components.