Definition of Harden

to become firm

Examples of Harden in a sentence

The chocolate chip cookies are still soft when coming out of the oven but hardened after sitting for a while.  🔊

After the icing begins to harden, the rest of the candy jewels can be added to the firm surface.  🔊

Chocolate dipped fruit was placed on parchment paper so that it could harden into a chewy snack.  🔊

As the lava began to cool and harden, plant life in the area was solidified.  🔊

Exercising will help your muscles to tighten and harden your body’s core to a firmer state.  🔊

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