Main Entry: oust

Pronunciation: \ˈau̇st\

Function: transitive verb

Etymology: Middle English, from Anglo-French oster, ouster to take off, remove, oust, from Late Latin obstare to ward off, from Latin, to stand in the way, from ob- in the way + stare to stand — more at ob-, stand

Date: 15th century

1 a : to remove from or dispossess of property or position by legal action, by force, or by the compulsion of necessity b : to take away (as a right or authority) : bar, remove
2 : to take the place of : supplant

synonyms see eject