Oust is defined as to get rid of something or someone.(verb)
An example of oust is to kick a tyrant out of power.
See oust in Webster's New World College Dictionary
Origin: Anglo-Fr ouster < OFr (Fr ôter) < L ostare, to obstruct < ob-, against (see ob-) + stare, to stand
See oust in American Heritage Dictionary 4
transitive verb oust·ed, oust·ing, ousts
Origin: Middle English ousten
Origin: , from Anglo-Norman ouster
Origin: , from Latin obstāre, to hinder; see obstacle.
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