as in inexperienced
lacking or showing a lack of expert skill
an unprofessional carelessness about the accuracy of the news story
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Recent Examples of unprofessional
The case docket has heated up this year due to the mess surrounding former Massachusetts State Police Trooper Michael Proctor, who was fired earlier this year due primarily to unprofessional behavior in the Karen Read murder case — a charge a jury acquitted her of in a trial earlier this year.
—
Flint McColgan, Boston Herald, 13 Sep. 2025
The district received multiple complaints regarding Bloise’s behavior in late spring of this year and an external law firm was engaged to investigate the allegations of unprofessional conduct, according to district spokesperson Raj Rai.
—Jennah Pendleton, Sacbee.com, 12 Sep. 2025
Practices that feel second nature in one country can seem awkward, overly formal or even unprofessional in another.
—Dee Coakley, Forbes.com, 22 Aug. 2025
Corrections Department disciplinary records reveal two park rangers were reprimanded for various offenses, including lying about attendance, sleeping on the job and unprofessional behavior.
—Maritza Dominguez, AZCentral.com, 14 Aug. 2025
See All Example Sentences for unprofessional
Flint McColgan, Boston Herald, 13 Sep. 2025
The district received multiple complaints regarding Bloise’s behavior in late spring of this year and an external law firm was engaged to investigate the allegations of unprofessional conduct, according to district spokesperson Raj Rai.
—Jennah Pendleton, Sacbee.com, 12 Sep. 2025
Practices that feel second nature in one country can seem awkward, overly formal or even unprofessional in another.
—Dee Coakley, Forbes.com, 22 Aug. 2025
Corrections Department disciplinary records reveal two park rangers were reprimanded for various offenses, including lying about attendance, sleeping on the job and unprofessional behavior.
—Maritza Dominguez, AZCentral.com, 14 Aug. 2025
See All Example Sentences for unprofessional
Recent Examples of Synonyms for unprofessional
Adjective
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The inexperienced head coach has sensibly made only minor tweaks since taking over, sticking with the compact, direct football that has served Brentford so well.—
Phil Hay,
New York Times,
17 Oct. 2025
-
Scaloni, whose team finished in first place in South American World Cup qualifying, was using Friday’s match, and the Tuesday match against Puerto Rico at Chase Stadium, to integrate some of the younger and inexperienced players on the roster.—
Michelle Kaufman,
Miami Herald,
11 Oct. 2025
Adjective
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Investors cheered the improbable rise of the amateur heavy metal drummer and hard-line conservative, who’s expected to increase defense spending, cut taxes, and revive Japan’s nuclear power industry.—
Nicholas Gordon,
Fortune,
21 Oct. 2025
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Daniel Kinahan, a keen amateur boxer, has always been in thrall to prizefighters.—
Ed Caesar,
New Yorker,
20 Oct. 2025
Adjective
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This annoyed Potter, who felt holding talks in such a public place was an amateurish move.—
Roshane Thomas,
New York Times,
28 Sep. 2025
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Bannon, for his part, slammed Kennedy's effectiveness as health secretary, calling his efforts to implement an anti-vaccine agenda unserious and amateurish.—
Beth Mole,
ArsTechnica,
22 Sep. 2025
Cite this Entry
“Unprofessional.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unprofessional. Accessed 24 Oct. 2025.
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