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
Bennet’s ouster was a low moment for a once-proud institution.
—
Debra J. Saunders, Oc Register, 13 Oct. 2025
On Friday, hours before layoff notices went out, Jim O’Neill, who took over as acting CDC director after Monarez’s ouster, posted two photos on X of what appeared to be a bald eagle soaring over the Capitol building.
—Tom Bartlett, The Atlantic, 13 Oct. 2025
Cook’s firing Since his ouster from Bose, Cook has maintained a low profile.
—IndyStar, 13 Oct. 2025
Following Singh’s ouster, the other two Tata Sons board members opposed Mistry’s appointment to the third seat, according to the industry source.
—Priyanka Salve, CNBC, 10 Oct. 2025
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Debra J. Saunders, Oc Register, 13 Oct. 2025
On Friday, hours before layoff notices went out, Jim O’Neill, who took over as acting CDC director after Monarez’s ouster, posted two photos on X of what appeared to be a bald eagle soaring over the Capitol building.
—Tom Bartlett, The Atlantic, 13 Oct. 2025
Cook’s firing Since his ouster from Bose, Cook has maintained a low profile.
—IndyStar, 13 Oct. 2025
Following Singh’s ouster, the other two Tata Sons board members opposed Mistry’s appointment to the third seat, according to the industry source.
—Priyanka Salve, CNBC, 10 Oct. 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 19 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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