1
as in dilute
containing foreign or lower-grade substances
the pharmacist was convicted of selling adulterate drugs in order to maximize profits
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2
as in adulterous
relating to or being a sexual encounter or relationship between a married person and someone other than their spouse
caught red-handed in what he claimed was his first adulterate encounter
Synonyms & Similar Words
as in to dilute
to alter (something) for the worse with the addition of foreign or lower-grade substances
the company was fined for adulterating its "all beef" frankfurters with cereal
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Example Sentences
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Recent Examples of adulterate
Lauren Leffer, Popular Science, 1 May 2025
Farmers or middlemen also frequently adulterated milk, watering it down to stretch supplies—with impure water likely to introduce further pathogens—or adding toxic substances, like formaldehyde or chalk, meant to conceal spoilage or make milk appear whiter.
— Made By History, Time, 29 Apr. 2025
Acid Red 18 is not allowed, so the product is considered adulterated.
—Thomas G. Moukawsher, MSNBC Newsweek, 17 Apr. 2025
Of course, a lot of us have the natural instinct to drink cask strength whiskey neat, as if adding water is needlessly adulterating the spirit, or worse yet, a sign of wimpiness.
—Tony Sachs, Forbes, 3 Jan. 2025
See All Example Sentences for adulterate
Verb
Ground coffee was often about 80 to 90 percent adulterated in the mid-19th century, says Blum.
—Lauren Leffer, Popular Science, 1 May 2025
Farmers or middlemen also frequently adulterated milk, watering it down to stretch supplies—with impure water likely to introduce further pathogens—or adding toxic substances, like formaldehyde or chalk, meant to conceal spoilage or make milk appear whiter.
— Made By History, Time, 29 Apr. 2025
Acid Red 18 is not allowed, so the product is considered adulterated.
—Thomas G. Moukawsher, MSNBC Newsweek, 17 Apr. 2025
Of course, a lot of us have the natural instinct to drink cask strength whiskey neat, as if adding water is needlessly adulterating the spirit, or worse yet, a sign of wimpiness.
—Tony Sachs, Forbes, 3 Jan. 2025
See All Example Sentences for adulterate
Recent Examples of Synonyms for adulterate
Adjective
-
For example, Wilson’s team is exploring whether dilute acids speed up weathering.—
Robert F. Service,
Science | AAAS,
3 Sep. 2020
-
The company reported a net loss during the first quarter of $3.9 million, or 11 cents diluted loss per share, compared to a net income of $4.3 million, or 12 cents dilute earnings per share over the same period last year.—
Paul Takahashi,
Houston Chronicle,
5 June 2018
Adjective
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The supernatural thriller sees a woman return from death as a vindictive spirit to torment her adulterous husband.—
Andreas Wiseman,
Deadline,
26 June 2025
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But with a twist so big — Sarah being the killer of her adulterous husband Adam’s mistress, Kelly Summers, and the one who set him up for the murder while simultaneously defending him tooth and nail in court — where was Rose to go after that?—
Jennifer Maas,
Variety,
29 Apr. 2025
Verb
-
In the Democratic Republic of the Congo, women in cobalt-mining regions have reported reproductive-health concerns such as miscarriages and birth defects; cobalt mining has also polluted croplands.—
Scott W. Stern,
The Atlantic,
2 Oct. 2025
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The group sees ample opportunity for partnership with some of the denim industry’s leading finishing innovators, who have worked to replace stone-washing techniques—which are polluting and water-guzzling—with lasers to achieve whiskering and distressing.—
Kate Nishimura,
Sourcing Journal,
30 Sep. 2025
Adjective
-
Established under the Carter administration in 1980 and now largely funded through dedicated taxes reinstated by the Biden administration’s infrastructure law, the Superfund program is used for clearing up polluted land and handling environmental crises such as oil spills and natural disasters.—
David Lightman,
Sacbee.com,
29 Sep. 2025
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The river will still become polluted after heavy rainfalls due to runoff from the streets and flushing of city sewage systems.—
Michael Loria,
USA Today,
18 Sep. 2025
Adjective
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In 2022, a combination of fan sleuthing and online drama publicly revealed that Ned was having an extramarital affair with a Try Guys producer.—
CT Jones,
Rolling Stone,
18 Sep. 2025
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That was four months after Herchen’s first wife died, though the two were already engaged in an extramarital affair, according to court records.—
Robert Salonga,
Mercury News,
13 Sep. 2025
Adjective
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The company in 2020 pleaded guilty to distributing adulterated ice-cream products and agreed to pay a fine over the outbreak.—
Dylan Tokar,
WSJ,
2 Feb. 2023
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And while most of those overdoses involved the illicit synthetic opioid fentanyl, experts say that an adulterated and contaminated drug supply is also leading to deaths.—
Nadia Kounang,
CNN,
17 Mar. 2022
Adjective
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Latinos in Action, a nationwide educational program, was offered as an elective class or extracurricular club at 46 Broward middle and high schools and education centers.—
Amanda Rosa,
Miami Herald,
30 Sep. 2025
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Others reported their parents restricted their involvement in extracurricular activities such as sports, dances or mixed-gender clubs, limiting opportunities.—
Hind Haddad,
The Conversation,
30 Sep. 2025
Adjective
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Spray the door generously with cleaner or use a microfiber cloth to wet the door with the diluted vinegar mixture.—
Brandee Gruener,
Southern Living,
23 Sep. 2025
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Too many companies try to achieve a laundry list of objectives, resulting in a diluted and less-effective program.—
Erika Andersson,
Forbes.com,
16 Sep. 2025
Cite this Entry
“Adulterate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/adulterate. Accessed 6 Oct. 2025.
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