AskDefine | Define harden

Dictionary Definition



1 become hard or harder; "The wax hardened" [syn: indurate] [ant: soften]
2 make hard or harder; "The cold hardened the butter" [syn: indurate] [ant: soften]
3 harden by reheating and cooling in oil; "temper steel" [syn: temper]
4 make fit; "This trip will season even the hardiest traveller" [syn: season]
5 cause to accept or become hardened to; habituate; "He was inured to the cold" [syn: inure, indurate]

User Contributed Dictionary




  1. To become hard.
  2. To make something hard.
  3. To become or make a thing resistant or less sensitive.
    When thou goest to return into Egypt, see that thou do all those wonders before Pharaoh, which I have put in thine hand: but I will harden his heart, that he shall not let the people go. — KJV, Exodus 4:21


Extensive Definition

Not to be confused with Hardin
harden in German: Harden
harden in Dutch: Harden
harden in Slovenian: Harden

Synonyms, Antonyms and Related Words

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