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 These overflows may send stormwater mixed with untreated or partially treated sewage into waterways. — Gabby Sartori, USA Today, 20 Aug. 2026 PennEnvironment says the Philadelphia Water Department dumps over 12 billion gallons of untreated sewage and stormwater a year into the Delaware and Schuylkill rivers and their tributaries. — Joe Brandt, CBS News, 17 Aug. 2026 The flesh-eating New World Screwworm is the parasitic larva that emerges from eggs laid by flies in the open wounds or body openings of warm-blooded animals and humans, with untreated cases potentially leading to severe injury or death. — Jeremy Hsu, ArsTechnica, 12 Aug. 2026 If left untreated, necrotizing fasciitis can be fatal, sometimes within 48 hours. — Bill Sullivan, The Conversation, 11 Aug. 2026 See All Example Sentences for untreated

Recent Examples of Synonyms for untreated

Adjective

An unprocessed salt like Oryx Desert Salt retains the trace minerals that occur from its natural source.

— Connie Etemadi, USA Today, 14 Aug. 2026
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

Definition of unprocessed

Adjective

The instruments can move with greater flexibility than the human hand, while the system filters out natural hand tremors that could affect delicate movements.

— Atharva Gosavi, Interesting Engineering, 30 Aug. 2026
If there isn’t an official audiobook, the PocketBook Q’s natural-sounding Text-to-Speech function will read any text file aloud for you.

— Benny Har-Even, Forbes.com, 30 Aug. 2026

Definition of natural

Adjective

Kendrick only found out about the event a day before and was already prepping for the upcoming Jackson Street Block Party in honor of Gary native Michael Jackson’s birthday.

— Zareen Syed, Chicago Tribune, 25 Aug. 2026
The crabs were first spotted in the Mediterranean Sea in the last century but really began wreaking havoc only around a decade ago, when their population surged, posing a threat both to native biodiversity and to the fishing industry.

— Gennaro Tomma, Scientific American, 25 Aug. 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 1 Sep. 2026.

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Synonyms of untreated

adjective

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