Dictionary
cal•lous
Pronunciation: (kal'us), [key]—
adj.
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.
—
v.t., v.i.
to make or become hard or callous.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.