n.
Pronunciation: ' ka-l ə s
Function: adjective
Etymology: Middle English, from Latin callosus, from callum, callus callous skin
Date: 15th century
1 a : being hardened and thickened b : having calluses < callous hands>
2 a : feeling no emotion b : feeling or showing no sympathy for others : HARD-HEARTED <a callous indifference to suffering>
– cal · lous · ly adverb
– cal · lous · ness noun