1
a
: a wrongful dispossession
b
: a judgment removing an officer or depriving a corporation of a franchise
2
: expulsion
the ouster of the dictator
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
Khaleda was freed from house arrest in August 2024 after Hasina’s ouster.
—
Reuters, NBC news, 30 Dec. 2025
The attack was a major test for the warming ties between the United States and Syria since the ouster of autocratic leader Bashar Assad a year ago.
—Arkansas Online, 20 Dec. 2025
Trump has publicly called for Massie's ouster and is backing Republican Ed Gallrein in the GOP primary against Massie.
—Matthew Cupelli, Cincinnati Enquirer, 20 Dec. 2025
Marcos Jr’s father, the dictator Ferdinand Marcos Sr, ruled the Philippines with an iron fist from 1965 until his ouster in 1986, with the country living under martial law for about half that time.
—Lex Harvey, CNN Money, 19 Dec. 2025
See All Example Sentences for ouster
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Reuters, NBC news, 30 Dec. 2025
The attack was a major test for the warming ties between the United States and Syria since the ouster of autocratic leader Bashar Assad a year ago.
—Arkansas Online, 20 Dec. 2025
Trump has publicly called for Massie's ouster and is backing Republican Ed Gallrein in the GOP primary against Massie.
—Matthew Cupelli, Cincinnati Enquirer, 20 Dec. 2025
Marcos Jr’s father, the dictator Ferdinand Marcos Sr, ruled the Philippines with an iron fist from 1965 until his ouster in 1986, with the country living under martial law for about half that time.
—Lex Harvey, CNN Money, 19 Dec. 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 5 Jan. 2026.
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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