Main Entry:

¹cal·lous

Pronunciation:

\ˈka-ləs\

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

— cal·lous·ly adverb

— cal·lous·ness noun