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

There is accumulation of food residue on some of the equipment that has not been cleaned recently such as refrigerators and prep table.

— NWA Democrat-Gazette, Arkansas Online, 19 Oct. 2026
The Lowman Ranger District did not respond to questions about how frequently the site’s bathrooms are cleaned or trash is removed.

— Harllie Stevenson, Idaho Statesman, 19 Oct. 2026

Definition of cleaned

Verb

Nassar is one of more than 20,000 individuals whose names were recently purged from the Michigan State Police database.

— Alejandro Avila OutKick, FOXNews.com, 1 Oct. 2026
Voting rights experts have expressed concern that misuse of the data could lead to legitimate voters being purged from rolls.

— Kevin Rector, Los Angeles Times, 29 Sep. 2026

Definition of purged

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decontaminate

decontaminated

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“Decontaminated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/decontaminated. Accessed 20 Oct. 2026.

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Synonyms of decontaminated

verb

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