as in to speak
to give a formal often extended talk on a subject
the naturalist is known for her willingness to expatiate on any number of issues relating to wildlife and the environment
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Recent Examples of expatiate
There was no debate on education, for instance, the subject on which Cash had been most keen to expatiate; indeed, there were no debates at all.
—
Anthony Lane, The New Yorker, 25 July 2024
Ostensibly, further studies are encouraged to expatiate this understanding.
—Amber Smith, Discover Magazine, 7 Jan. 2024
With wit and elan to spare, Greene expatiates on the intrigue that ensues when David Sparsholt, an engineering student with a fiancée, Connie, and a plan to join the Royal Air Force, arrives at Oxford in 1940.
—Priscilla Gilman, BostonGlobe.com, 9 Mar. 2018
Alex Tizon’s essay can be read not simply as an attempt to confess a crime and expatiate his family’s guilt.
—Jean M. Twenge, The Atlantic, 8 Aug. 2017
Anthony Lane, The New Yorker, 25 July 2024
Ostensibly, further studies are encouraged to expatiate this understanding.
—Amber Smith, Discover Magazine, 7 Jan. 2024
With wit and elan to spare, Greene expatiates on the intrigue that ensues when David Sparsholt, an engineering student with a fiancée, Connie, and a plan to join the Royal Air Force, arrives at Oxford in 1940.
—Priscilla Gilman, BostonGlobe.com, 9 Mar. 2018
Alex Tizon’s essay can be read not simply as an attempt to confess a crime and expatiate his family’s guilt.
—Jean M. Twenge, The Atlantic, 8 Aug. 2017
Recent Examples of Synonyms for expatiate
Verb
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Schnapp also spoke to PEOPLE about the series ending, insisting that all loose ends had been tied — even his character’s longstanding crush on his best friend Mike (Wolfhard).—
Angel Saunders,
PEOPLE,
7 Jan. 2026
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Babbitt’s mother spoke several times, demanding justice for her daughter.—
Brady Knox,
The Washington Examiner,
7 Jan. 2026
Verb
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Christian author Philip Yancey is retiring from writing and lecturing after admitting to a long-running affair with a married woman.—
Brian Niemietz,
New York Daily News,
7 Jan. 2026
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After teaching at Sacramento City College and lecturing at UC Davis, Fisher moved into public history, working with the California Office of Historic Preservation and the Architectural History Department at Caltrans.—
Don Sweeney,
Sacbee.com,
31 Dec. 2025
Verb
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Brandon asked her out the next day, and the pair spent hours talking on a Ferris wheel during their first date.—
Jordan Greene,
PEOPLE,
9 Jan. 2026
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People with respiratory viruses who have high-risk conditions or who live in households with high-risk individuals should talk to their healthcare professional about taking antiviral medications to treat the virus or prevent transmission.—
Jack Perry,
The Providence Journal,
8 Jan. 2026
Cite this Entry
“Expatiate.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/expatiate. Accessed 9 Jan. 2026.
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