Don't waste water.

Meaning: This means to use water wisely and not waste it by using it carelessly or unnecessarily. It's like saying, Be mindful of how much water you are using.

Choice of Words: Don't is a contraction of 'do not' that is used to express negative commands. Waste is a verb that means to use something in a careless or unnecessary way. Water is a noun that refers to a colorless, odorless, and tasteless liquid that is essential for all living things.

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Related Expressions