1
a
: a wrongful dispossession
b
: a judgment removing an officer or depriving a corporation of a franchise
2
Examples of ouster in a Sentence
The news reported the ouster of the dictator.
the dictator's ouster by the rebels
Recent Examples on the Web
After Milošević’s ouster in the Bulldozer Revolution of 2000, Vučić spent a decade in opposition before returning to government in 2012.
—
Hanna Begić, The Conversation, 29 Sep. 2025
Five agents and top-level executives were known to have been summarily fired last month in a wave of ousters that current and former officials say has contributed to declining morale.
—Arkansas Online, 28 Sep. 2025
Red Bull faced several struggles this year, from the RB21 being unable to support Verstappen in establishing his dominance again, to the ouster of former team principal Christian Horner.
—Saajan Jogia, MSNBC Newsweek, 28 Sep. 2025
Five agents and top-level executives were known to have been summarily fired last month in a wave of ousters.
—Michael Dorgan, FOXNews.com, 27 Sep. 2025
See All Example Sentences for ouster
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Hanna Begić, The Conversation, 29 Sep. 2025
Five agents and top-level executives were known to have been summarily fired last month in a wave of ousters that current and former officials say has contributed to declining morale.
—Arkansas Online, 28 Sep. 2025
Red Bull faced several struggles this year, from the RB21 being unable to support Verstappen in establishing his dominance again, to the ouster of former team principal Christian Horner.
—Saajan Jogia, MSNBC Newsweek, 28 Sep. 2025
Five agents and top-level executives were known to have been summarily fired last month in a wave of ousters.
—Michael Dorgan, FOXNews.com, 27 Sep. 2025
See All Example Sentences for ouster
Cite this Entry
“Ouster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ouster. Accessed 6 Oct. 2025.
Copy CitationKids Definition
ouster
noun
oust·er
ˈau̇s-tər 
: the act or an instance of ousting or being ousted
Legal Definition
ouster
noun
oust·er
ˈau̇s-tər
1
: wrongful dispossession especially of a cotenant
2
: a judgment removing a public officer or depriving a corporation of a public franchise
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