as in powerhouse
informal
a person who is very enthusiastic about doing something; a hardworking and eager person
When she first started working she was a real eager beaver.
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Recent Examples of eager beaver
Buc-ee's, the larger-than-life travel center known for its eager beaver mascot, is expanding into new markets this year.
—
Greta Cross, USA Today, 4 Feb. 2026
Dozens of eager beaver believers gathered in a small Boulder music venue last month for the Colorado Beaver Gathering.
—Elise Schmelzer, Denver Post, 24 Nov. 2025
Her desperation to be liked is off-putting to everyone except street-smart Emily, who immediately takes to this eager beaver who will do anything to please.
—Sezin Devi Koehler, EW.com, 1 May 2025
Lucas played the eager beaver to the hilt to dazzle Dr. Fox.
—Charlie Mason, TVLine, 17 Apr. 2025
Unfortunately for Ferrell’s eager beaver single father and Witherspoon’s type-A career woman, a resort on a remote Carolina coast island double books their family members’ wedding ceremonies.
—Dessi Gomez, Deadline, 11 Dec. 2024
Langdon’s patience allowed the Pistons to get Beasley on a team-friendly deal (one year, $6 million) — one that, if Detroit were eager beavers as soon as free agency opened, might have led to them paying triple.
—James L. Edwards Iii, The Athletic, 6 July 2024
Greta Cross, USA Today, 4 Feb. 2026
Dozens of eager beaver believers gathered in a small Boulder music venue last month for the Colorado Beaver Gathering.
—Elise Schmelzer, Denver Post, 24 Nov. 2025
Her desperation to be liked is off-putting to everyone except street-smart Emily, who immediately takes to this eager beaver who will do anything to please.
—Sezin Devi Koehler, EW.com, 1 May 2025
Lucas played the eager beaver to the hilt to dazzle Dr. Fox.
—Charlie Mason, TVLine, 17 Apr. 2025
Unfortunately for Ferrell’s eager beaver single father and Witherspoon’s type-A career woman, a resort on a remote Carolina coast island double books their family members’ wedding ceremonies.
—Dessi Gomez, Deadline, 11 Dec. 2024
Langdon’s patience allowed the Pistons to get Beasley on a team-friendly deal (one year, $6 million) — one that, if Detroit were eager beavers as soon as free agency opened, might have led to them paying triple.
—James L. Edwards Iii, The Athletic, 6 July 2024
Recent Examples of Synonyms for eager beaver
Noun
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And this powerhouse formula is just $16 at Amazon.—
Claire West,
Parents,
28 Feb. 2026
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The key to this anti-aging powerhouse in a jar is NCEF.—
Cathy Nelson,
InStyle,
27 Feb. 2026
Noun
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Among history’s Polish names of leaders and achievers, Madame Marie Curie, the Polish-French physicist and chemist, is a clear favorite from my classroom history days.—
Philip Potempa,
Chicago Tribune,
4 Feb. 2026
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Failure to mention or recognize the disabilities of Black achievers contributes to erasure and works against inclusivity.—
Terri Huggins Hart,
Parents,
28 Jan. 2026
Cite this Entry
“Eager beaver.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/eager%20beaver. Accessed 8 Mar. 2026.
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