- Oust is defined as to get rid of something or someone.
An example of oust is to kick a tyrant out of power.
oust definition by Webster's New World
Origin: Anglo-French ouster ; from Old French (Fr ôter) ; from Classical Latin ostare, to obstruct ; from ob-, against (see ob-) plush stare, to stand
oust definition by American Heritage Dictionary
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.