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
See latest data on cases, variants and more The recommendations come after upheaval at the CDC, including the ouster of its former Director Susan Monarez, who had resisted changes to vaccine policy advanced by Kennedy.
—
Reuters, USA Today, 7 Oct. 2025
But there is the recent example of Syria where, following the ouster of long-term dictator Bashar Assad, the main Islamist fighting group pivoted to politics – and was lauded in the international community for doing so.
—Mkhaimar Abusada, The Conversation, 5 Oct. 2025
Arkansas has only finished in the Top 25 once since Petrino’s 2012 ouster, and went 32-34 under Pittman, so many are more than willing to forgive and forget at this point.
—Stewart Mandel, New York Times, 2 Oct. 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
See All Example Sentences for ouster
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Reuters, USA Today, 7 Oct. 2025
But there is the recent example of Syria where, following the ouster of long-term dictator Bashar Assad, the main Islamist fighting group pivoted to politics – and was lauded in the international community for doing so.
—Mkhaimar Abusada, The Conversation, 5 Oct. 2025
Arkansas has only finished in the Top 25 once since Petrino’s 2012 ouster, and went 32-34 under Pittman, so many are more than willing to forgive and forget at this point.
—Stewart Mandel, New York Times, 2 Oct. 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
See All Example Sentences for ouster
Cite this Entry
“Ouster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ouster. Accessed 16 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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