noun
- plural of callus; areas of thickened, hardened skin
verb
- third person singular present of callous; makes or becomes emotionally hardened or insensitive
Examples
- The guitarist developed callouses on his fingertips from hours of practice.
- Years of manual labor left callouses on his palms.
- She callouses her heart against criticism.
- The constant rejection callouses him to others’ feelings.
- Walking barefoot created painful callouses on her feet.
- Time callouses even the most tender emotions.