Căl'lous, a.
a. [Fr. calleux, Lat. callosus, hard-skinned, callous, from callum, callus. See CALLID.]
Sense 1. Hardened; indurated. “A callous hand.” Goldsmith. “A callous ulcer.” Dunglison.
Sense 2. Hardened in mind; insensible; unfeeling. “The callous diplomatist.” Macaulay.
Piety . . . is made callous and inactive by kneeling too much. Landor.
Synonyms—Obdurate; hard; hardened; indurated; insensible; unfeeling; unsusceptible. See OBDURATE.