1
as in developmental
made or done as an experiment
an experimental procedure for patients suffering from leukemia
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in empirical
based on observation or experience
asserted that experimental knowledge is vastly superior to idle speculation and theorizing
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of experimental
According to a notice in the Federal Register, the US Environmental Protection Agency (EPA) is reviewing the company’s request for an experimental use permit that would allow the release of up to 16 million mosquitoes annually over a two-year period.
—
Atharva Gosavi, Interesting Engineering, 2 June 2026
During the largest Ebola outbreak in history, from 2014 to 2016, research from NIAID scientists offered early evidence that an Ebola vaccine might be safe to give to humans, and the agency stood up trials of two experimental vaccines in Liberia.
—Kaylah Jackson, NBC news, 2 June 2026
In 1946, Neff built an experimental residence for his brother Andrew.
—Tori Latham, Robb Report, 2 June 2026
Analysts have described the experimental drug as a potential best-in-class treatment for ulcerative colitis (UC).
—Elsa Ohlen, CNBC, 2 June 2026
See All Example Sentences for experimental
Atharva Gosavi, Interesting Engineering, 2 June 2026
During the largest Ebola outbreak in history, from 2014 to 2016, research from NIAID scientists offered early evidence that an Ebola vaccine might be safe to give to humans, and the agency stood up trials of two experimental vaccines in Liberia.
—Kaylah Jackson, NBC news, 2 June 2026
In 1946, Neff built an experimental residence for his brother Andrew.
—Tori Latham, Robb Report, 2 June 2026
Analysts have described the experimental drug as a potential best-in-class treatment for ulcerative colitis (UC).
—Elsa Ohlen, CNBC, 2 June 2026
See All Example Sentences for experimental
Recent Examples of Synonyms for experimental
Adjective
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If a fetus becomes infected, toxoplasmosis can lead to a range of health problems, including premature birth, low birth weight, jaundice or other liver problems, abnormal blood counts, rashes, eye disease, developmental delays, seizures, brain calcification, and in extreme cases, stillbirth.—
Dr. Megan Yanny,
Boston Herald,
31 May 2026
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Blue Origin has been doing a lot of developmental work on the larger 9×4 rocket, which is expected to become the workhorse of the fleet over the smaller 7×2 rocket variant that exploded on Thursday evening in Florida.—
Eric Berger,
ArsTechnica,
29 May 2026
Adjective
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However, despite popular anecdotal evidence that kratom can ease opioid addiction withdrawal symptoms, there is empirical evidence that kratom itself can become addictive.—
Scott Lafee,
San Diego Union-Tribune,
2 June 2026
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Only 2 percent of investments have gone to circular businesses, according to estimates in the Circularity Gap Report Finance in 2025, the world’s first empirical study that quantified the financial streams to circular business models.—
Roy Stephen Canivel,
Footwear News,
2 June 2026
Adjective
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Her ability to ask the right questions and find answers puts her on equal ground with Reilly and his best friend Robbie Robertson, the investigative journalist played by Morris, leading her to a rightful promotion at the end of series.—
Maira Garcia,
Los Angeles Times,
29 May 2026
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Most recently journalistically, McCormick had been working in broadcast as an investigative producer at Fox 4 and then KSHB 41 until 2024 before switching to freelance work.—
Kansas City Star,
Kansas City Star,
29 May 2026
Adjective
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But that’s made even worse by the fact that a significant portion of these observational studies did not even have a comparison group.—
Ian Miller OutKick,
FOXNews.com,
1 June 2026
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The sensitivity of the gravitational wave detectors has only increased in recent years, with detections currently occurring as frequently as three to four times each week during observational run phases between down periods that allow further advancement of sensitivity.—
Robert Lea,
Space.com,
1 June 2026
Adjective
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That is why think their need to be some subjective analysis along with objective statistics.—
Mercury News Editorial Board,
Mercury News,
28 May 2026
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This becomes evident when a generative AI search assistant presents statistically dominant viewpoints as objective truth while invisibilizing minority perspectives, emerging research, or culturally distinct forms of knowledge.—
Hamilton Mann,
Forbes.com,
27 May 2026
Adjective
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Polis wrote in his veto letter of House Bill 1355 that preliminary budget forecasts show the state can keep the grant program going for its final year.—
Nick Coltrain,
Denver Post,
29 May 2026
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Hernández, after undergoing preliminary testing Wednesday, is scheduled for imaging Thursday.—
Maddie Lee,
Los Angeles Times,
28 May 2026
Adjective
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Kirby plays an astronaut forced to make an impossible decision after an incident with her co-pilot (Pullman) threatens to derail their entire mission in the final countdown to launch.—
Scott Roxborough,
HollywoodReporter,
11 May 2026
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The story follows an astronaut (Kirby) who is forced to make an impossible decision after an incident with her co-pilot (Pullman) leaves an indelible stain on the mission in the days leading up to lift off, setting off a tense race against the clock.—
Alex Ritman,
Variety,
28 Apr. 2026
Cite this Entry
“Experimental.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/experimental. Accessed 4 Jun. 2026.
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