UNTREATED Synonyms: 25 Similar and Opposite Words

untreated

adjective

ˌən-ˈtrē-təd

Definition of untreated

as in crude

being such as found in nature and not altered by processing or refining untreated wool

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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.

Recent Examples of untreated In some cases, water pressure drops, potentially allowing untreated groundwater to seep into pipes. — ABC News, 2 Aug. 2026 Since spring, some 10% of their research participants have been found to have active syphilis — cases that might otherwise have gone undiagnosed and untreated. — Eric Boodman, STAT, 31 July 2026 Tularemia, a bacterial disease, can become serious if left untreated. — Jennifer McLogan, CBS News, 31 July 2026 May look like a rough or scaly patch and has a higher risk of spreading if left untreated. — Brandi Jones, Verywell Health, 31 July 2026 See All Example Sentences for untreated

Recent Examples of Synonyms for untreated

Adjective

Finally, Pure Audio Mode provides an unprocessed stereo output via independent left and right channels for anyone who needs full post-production control.

— Mark Sparrow, Forbes.com, 29 July 2026
Its advocates preach the environmental and emotional benefits of natural burials and encourage mourners to bear witness to a corpse in its unprocessed state before it is borne away to a funeral home.

— John Semley, Harpers Magazine, 28 July 2026

Definition of unprocessed

Adjective

For best results, refresh natural mulches once a year in spring or fall to keep mulch lines good and thick.

— Lauren Landers, Better Homes & Gardens, 10 Aug. 2026
By putting fashion, food, art and hospitality into the same natural flow, Fontainebleau makes that customer’s time work considerably harder.

— Kate Hardcastle, Forbes.com, 10 Aug. 2026

Definition of natural

Adjective

Last year, 45,093 people died in Colorado — an increase in raw numbers from 44,527 deaths in 2024, but an improvement after adjusting for population growth and aging.

— Meg Wingerter, Denver Post, 9 Aug. 2026
People can protect themselves by washing their hands, washing produce, cooking and heating produce and avoid eating raw foods and unpasteurized milk.

— Omer Awan, Forbes.com, 9 Aug. 2026

Definition of raw

Adjective

Cannabis is native to Nepal and is widely used during festivals, and activists in Nepal have been trying to get the government to change the law to allow it.

— ABC News, ABC News, 5 Aug. 2026
Children born to Italian citizens in the likes of the US, Canada, Argentina, Brazil and Monasterios’ native Venezuela were being judged to have lost their Italian citizenship if their parents naturalized in the new country.

— Julia Buckley, CNN Money, 4 Aug. 2026

Definition of native

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untraversed

untreated

untrendy

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“Untreated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/untreated. Accessed 11 Aug. 2026.

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Synonyms of untreated

adjective

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