acidic

adjective

acid·​ic ə-ˈsi-dik How to pronounce acidic (audio)
a-
Synonyms of acidicnext
1
: acid-forming
2
: acid

Examples of acidic in a Sentence

The soil in our garden is very acidic. the acidic water of a polluted lake
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In some parts of the world, rivers near cobalt and copper mines have become so acidic that communities can no longer drink water from them. Abraham Nunbogu, Fortune, 29 Apr. 2026 Ideally, lavender should be grown in soil that is neutral to slightly alkaline, but never acidic. Cori Sears, The Spruce, 27 Apr. 2026 Some also claim that tomatoes turn out sweeter in less acidic soil, though the sugar content of a tomato may have more to do with that. Brandee Gruener, Southern Living, 25 Apr. 2026 Red cabbage pairs especially well with acidic dressings like lemon juice or apple cider vinegar, which also helps soften its slightly bitter edge and brighten its color. Lauren Panoff, Verywell Health, 24 Apr. 2026 See All Example Sentences for acidic

Word History

First Known Use

1866, in the meaning defined at sense 1

Time Traveler
The first known use of acidic was in 1866

Browse Nearby Words

Cite this Entry

“Acidic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acidic. Accessed 1 May. 2026.

Kids Definition

acidic

adjective
acid·​ic ə-ˈsid-ik How to pronounce acidic (audio)
a-
1
: acid-forming
2
: acid

Medical Definition

acidic

adjective
acid·​ic ə-ˈsid-ik, a- How to pronounce acidic (audio)
1
: acid-forming
2
: acid

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