DECONTAMINATED Synonyms: 49 Similar and Opposite Words

decontaminated

verb

past tense of decontaminate

as in cleaned

to remove dirty or dangerous substances (such as radioactive material) from (a person, thing, place, etc.) Special workers were called in to decontaminate the area after the oil spill.

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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 decontaminated Those exhibiting suspicious symptoms had samples taken and sent to a laboratory for analysis, the ministry said on Saturday, adding that the vessel was also decontaminated. — ABC News, 9 Aug. 2026 The wire seals certify a vessel had either been decontaminated and inspected for invasive species or was last launched in the Lake Tahoe basin, agency officials said in a news release. — Darrell Smith, Sacbee.com, 26 June 2026 Officials have decontaminated the facility’s inmate housing as a precaution and medical staff are monitoring prisoners and staff, The Mercury News reported. — Karen Garcia, Los Angeles Times, 12 June 2026 All first responders and equipment involved in the operation had to be decontaminated, officials said. — Sam Gillette, PEOPLE, 8 June 2026 The bodies must be decontaminated before being taken to the corner’s office, local authorities said. — Jeanine Santucci, USA Today, 29 May 2026 After everyone on board has disembarked, the ship will be decontaminated based on Dutch public health guidelines. — CBS News, 18 May 2026 After everyone on board has disembarked, the ship will be decontaminated based on Dutch public health guidelines, a process that will take about three days, according to van Duijnhoven. — Molly Quell, Chicago Tribune, 18 May 2026 Vacuum only after the area is thoroughly decontaminated. — Tom Gavin, EverydayHealth.com, 5 May 2026

Recent Examples of Synonyms for decontaminated

Verb

Last year, Abrams had delicately cleaned the tombstone of Mary Bailey, who died in 1852 at just 21 years old.

— Kimberlee Kruesi, Fortune, 22 Oct. 2026
And the service is unparalleled, including bathrooms that are cleaned after every use—our own houses aren’t that tidy.

— Laura Dannen Redman, Robb Report, 22 Oct. 2026

Definition of cleaned

Verb

The Roush Fenway Keselowski Racing trio of Chris Buescher, Ryan Preece and Brad Keselowski swept the top three spots in the first stage with a unique strategy that had the rest of the field nearly a lap down at one point.

— ABC News, ABC News, 25 Oct. 2026
The state mandated that these policies be strengthened after large rallies and encampments protesting the ongoing war in Gaza swept through universities in 2024.

— Tarini Mehta, Sacbee.com, 25 Oct. 2026

Definition of swept

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decontaminate

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“Decontaminated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/decontaminated. Accessed 28 Oct. 2026.

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Synonyms of decontaminated

verb

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