1. impossible to pass through or travel across
2. incapable of suffering or feeling pain
Usage: theological; philosophical

Examples

• The mountain trail became impassible after the landslide.
• Heavy snow made the roads impassible for several days.
• The dense jungle was nearly impassible without proper equipment.
• Theologians debate whether God is truly impassible.
• The flooded bridge was completely impassible to vehicles.
• Ancient philosophers considered the divine to be impassible and unchanging.