- Oust is defined as to get rid of something or someone.
An example of oust is to kick a tyrant out of power.
Origin: Anglo-Fr ouster from Old French (Fr ôter) from Classical Latin ostare, to obstruct from ob-, against (see ob-) plush stare, to stand
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transitive verb oust·ed, oust·ing, ousts
- To eject from a position or place; force out: “the American Revolution, which ousted the English” (Virginia S. Eifert).
- To take the place of, especially by force; supplant. See Synonyms at eject.
Origin: Middle English ousten, from Anglo-Norman ouster, from Latin obstāre, to hinder; see obstacle.