Harden meaning

härdn
To enable to withstand physical or mental hardship.

Was hardened by years of working as a farmer.

verb
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To make hard or harder.

Harden steel.

verb
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To make unfeeling, unsympathetic, or callous.

The betrayal hardened his heart against intimacy.

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To make fixed, settled, or less subject to change.
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To make less vulnerable to attack by surrounding with earth or concrete.

Harden missile silos.

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To become hard or harder.
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To become fixed, settled, or less subject to change.
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To become inured.
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To take on a disapproving or severe appearance.

His face hardened with suspicion.

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To rise and become stable. Used of prices.
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To make solid, rigid, or firm.
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To make callous.

Painful experience can harden one's heart.

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To accustom to varying or adverse conditions or climate.
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To become solid, rigid, callous, etc.
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To put a shell around a computer to protect it from intruders. To harden a system, the following techniques need to be done: The Operating System Software and the exposed services should be patched with the latest security fixes; the defaults should be removed; all unnecessary services should be shut down; and packet-filtering software should be installed. Graham, R. Hacking Lexicon. [Online, 2001.] Robert Graham Website. http://www.linuxsecurity.com/resource_files/documentation/hacking-dict.html.
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(intransitive) To become hard (tough, resistant to pressure).
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(ergative) To make something hard or harder (tough, resistant to pressure).
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(dated) To become or make a person or thing resistant or less sensitive.
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Origin of harden

  • From hard +‎ -en.

    From Wiktionary