CALLOUS

callous. Callous, a. hard, thick, hardened, insensible

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Cal″lous (?), a. [[L. callosus callous hard, fr. callum, callus, callous skin: cf. F. calleux.]] 1. 1. Hardened; indurated. “A callous hand.” Goldsmith. “A callous ulcer.” Dunglison.
2. 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.