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What is the opposite of “diluted”?

What is the antonym of “diluted”?

The antonym of diluted is concentrated, undiluted, and pure. The antonyms concentrated, undiluted, and pure convey the opposite meaning of diluted. They imply a stronger, more potent, or less watered-down version of something.

Brief Definitions of the Antonym(s)

Learn when and how to use these words with these examples!


Containing a high proportion of a particular substance; made denser or stronger by removing water or other diluting agents.


The concentrated orange juice tasted much stronger than the diluted one.


Not mixed or weakened with any other substance; pure and strong.


The undiluted perfume was too strong for her to wear.


Not mixed or adulterated with any other substance; clean, clear, or free from impurities.


She preferred to drink pure water instead of the diluted one.

How are these antonyms different from each other?

  • 1Concentrated implies a higher proportion of a particular substance, while diluted implies a lower proportion.
  • 2Undiluted implies a pure and strong form of something, while diluted implies a weaker or watered-down version.
  • 3Pure implies a clean, clear, or free-from-impurities form of something, while diluted implies a mixture with other substances.

Good things to know

  • 1Cooking: Use concentrated to describe a stronger flavor or aroma in food or drinks.
  • 2Chemistry: Use undiluted to describe a pure and strong chemical substance.
  • 3Health: Use pure to describe clean and safe drinking water or food.

Remember this!

The antonyms have distinct nuances: Concentrated implies a higher proportion, undiluted implies a pure and strong form, and pure implies a clean and clear form. Use these words in different contexts such as cooking, chemistry, and health to convey the opposite meaning of diluted.

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