Callousness

cal·lous  (kls)

adj.

1. Having calluses; toughened: callous skin on the elbow.

2. Emotionally hardened; unfeeling: a callous indifference to the suffering of others.

tr. & intr.v. cal·loused, cal·lous·ing, cal·lous·es

To make or become callous.

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[Middle English, from Old French cailleux, from Latin callsus, from callum, hard skin.]

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callous·ly adv.

callous·ness n.

Usage Note: Do not confuse the adjective callous, as in Years of dealing with criminals had left her callous, with the noun callus, as in I have a callus on my thumb. Also, do not confuse the verb callous, which means "to make or become callous," with the verb callus "to form or develop hardened tissue."

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Callousness 

key-cold Completely lacking in personal warmth and compassion; emotionally frigid; apathetic. This expression is derived from a key’s metallic coldness, a property which was once thought to remedy nosebleeds. This obsolete phrase saw its heyday during the 1500s.

The consideration of his incomparable kindness could not … tail to inflame our key-cold hearts. (Sir Thomas More, Comfort Against Tribulation, 1534)

weep millstones Said sarcastically of a callous, hard-hearted person, implying that he is not likely to weep at all. This expression is probably derived from The Tale of Beryn (1400):

Tears … as great as any millstone. Since a millstone is a large stone that grinds grain in a mill, its use here is, of course, hyperbolic. This expression was used several times by Shakespeare; for example, in Richard III, Gloucester states:

Your eyes drop millstones, when fool’s eyes drop tears. (I, iii)

Thesaurus

Noun

1.

callousness - devoid of passion or feeling; hardheartedness unfeelingness, insensibility, callosity, hardness insensitiveness, insensitivity - the inability to respond to affective changes in your interpersonal environment dullness - lack of sensibility; "there was a dullness in his heart"; "without him the dullness of her life crept into her work no matter how she tried to compartmentalize it."

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callousness

noun heartlessness, insensitivity, hardness, coldness, harshness, obduracy, soullessness, hardheartedness, obdurateness I find your statement breathtaking in its callousness and cynicism.

Translations

callousness [ˈkæləsnɪs] N → insensibilidad f, crueldad f

callousness [ˈkæləsnɪs] n

[crime] → inhumanité f

(= hard-heartedness) → manque m de cœur, insensibilité f
call-out charge call-out fee [ˈkɔːlaʊt] n → frais mpl de déplacement

callousness

n → Gefühllosigkeit f, → Herzlosigkeit f

callousness [ˈkæləsnɪs] n (of person) → insensibilità; (of remark) → durezza