1. having calluses; hardened and thickened from repeated use or pressure
2. emotionally hardened or insensitive
Usage: figurative

Examples

• His callused hands showed years of manual labor.
• The guitarist’s callused fingertips allowed him to play for hours.
• Her callused feet were evidence of running barefoot on rough terrain.
• The farmer’s callused palms gripped the plow handle firmly.
• Years of criticism had left him with a callused heart.
• She became callused to the suffering around her after working in the emergency room for decades.