Soften vs Moisten - What's the difference?

In lang=en terms the difference between soften and moisten

is that soften is to become soft or softer while moisten is to become moist or moister.

is that soften is to make something soft or softer while moisten is to make moist or moister.

(en verb)

To make something soft or softer.

Soften the butter before beating in the sugar.

To undermine the morale of someone (often soften up ).

Before the invasion, we softened up the enemy with the artillery.

To make less harsh

Having second thoughts, I softened my criticism.

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To become soft or softer

The butter softened as it warmed up.

(en verb)

To make moist or moister.

To become moist or moister.