Callous
Pronunciation : Cal"lous
Part of Speech : a.
Etymology : [L. callosus callous hard, fr. callum, callus, callous skin: cf. F. calleux.]
Definition : 1. Hardenes; indurated. "A callous hand." Goldsmith. "A callous ulcer." Dunglison.
2. Hardened in mind; insensible; unfeeling; unsusceptible. "The callous diplomatist." Macaulay. It is an immense blessing to be perfectly callous to ridicule. T. Arnold.
Syn. -- Obdurate; hard; hardened; indurated; insensible; unfeeling; unsusceptible. See Obdurate. -- Cal"lous*ly, adv. -- Cal"lous*ness, n. A callousness and numbness of soul. Bentley.
Source : Webster's Unabridged Dictionary, 1913