[kal-uh
s] 
| 1. | made hard; hardened. |
| 2. | insensitive; indifferent; unsympathetic: They have a callous attitude toward the sufferings of others. |
| 3. | having a callus; indurated, as parts of the skin exposed to friction. |
| 4. | to make or become hard or callous. |
| cal·lous (kāl'əs) adj.
To make or become callous. [Middle English, from Old French cailleux, from Latin callōsus, from callum, hard skin.] cal'lous·ly adv., cal'lous·ness n. Usage Note: Do not confuse the adjective callous, as in Years of dealing with criminals had left her callous, with the noun callus, as in I have a callus on my thumb. Also, do not confuse the verb callous, which means "to make or become callous," with the verb callus "to form or develop hardened tissue." |
callous cal·lous (kāl'əs)
adj.
Of, relating to, or characteristic of a callus or callosity.