1. impossible to satisfy, calm, or pacify
Usage: formal

Examples

• His inappeasable hunger for power led to his downfall.
• The protesters made inappeasable demands for justice.
• She had an inappeasable thirst for knowledge.
• The dictator’s inappeasable anger terrified his subjects.
• Their inappeasable grief could not be comforted.
• The child’s inappeasable crying lasted for hours.