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 The disease, caused by bacteria in deer ticks, can produce everything from flu-like symptoms to chronic fatigue and arthritis, if left untreated. — Burkhard Bilger, New Yorker, 29 June 2026 In some experiments, virus levels in the lungs fell by nearly 300-fold compared with untreated animals. — William A. Haseltine, Forbes.com, 30 June 2026 Rabies is nearly 100% fatal if left untreated but is almost certainly nonfatal with a series of five shots. — Madonna Deverson, NBC news, 30 June 2026 If untreated, cyclosporiasis can continue to cause discomfort for approximately one month before going away. — Angel Saunders, PEOPLE, 30 June 2026 See All Example Sentences for untreated

Recent Examples of Synonyms for untreated

Adjective

Each daily serving of unprocessed meat increased the risk by 24%.

— MD Published, Verywell Health, 2 July 2026
More than 35 percent of ballots in Los Angeles County remain unprocessed.

— Matt Klink, Oc Register, 10 June 2026

Definition of unprocessed

Adjective

By triggering the release of a natural growth factor in the brain and modulating neural pathways associated with addiction and reward, ibogaine restores healthy dopamine function and reduces cravings, Barsuglia said.

— Gavin Escott, USA Today, 6 July 2026
This multitasking hair care product is known for reducing frizz, boosting shine, and hydrating split ends, and some natural oils even help with hair growth.

— Ariana Yaptangco, Glamour, 5 July 2026

Definition of natural

Adjective

Rainfall — as little as a tenth of an inch, according to the Allegheny County Sanitary Authority, or ALCOSAN — can cause an overflow of stormwater and raw sewage to flow into the rivers.

— Finch Walker, USA Today, 5 July 2026
How to Eat Shred raw Brussels sprouts and use in a coleslaw or salad.

— Kirsten Nunez, Martha Stewart, 5 July 2026

Definition of raw

Adjective

Earlier that day, Contreras had broken down in tears while talking about the deadly earthquakes that devastated his native Venezuela.

— Alejandro Avila OutKick, FOXNews.com, 1 July 2026
Once a month, Alejandro de Lucia, 62, a Cuban native living in Long Island, launches the Supermarket23 app and selects meats, rice and other items to send to his in-laws in Cojimar, who are in their 80s.

— Rick Jervis, USA Today, 1 July 2026

Definition of native

Browse Nearby Words

untraversed

untreated

untrendy

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“Untreated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/untreated. Accessed 7 Jul. 2026.

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Synonyms of untreated

adjective

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