1. more inclined to be short of breath; more prone to wheezing or labored breathing
Usage: comparative form of pursy; often used to describe horses or animals
2. more obese or overweight; fatter
Usage: comparative form of pursy; archaic or dialectal usage

Examples

• The older horse became pursier with each passing year.
• After the long climb, he grew pursier and could barely speak.
• The pursier dog struggled to keep up on walks.
• His pursier appearance suggested he had gained considerable weight.
• The pursier animal was less able to exert itself in the heat.