ˈau̇st transitive verb
( -ed/-ing/-s )
Etymology: Anglo-French ouster from Old French oster, from Late Latin obstare to ward off, from Latin, to stand before or against, to thwart, hinder, from ob- to, toward, against + stare to stand — more at ob- , stand
1.
a. : to put out of possession : eject, dispossess from, or deprive of an inheritance (as land or buildings)
the castles and burghs which had slowly ousted him from his inheritance — W.C.Dickinson
b. : to take away (as a right or authority) : bar , remove
2. : to eject from a position or place : turn out : expel
a newfangled apparatus which might oust them from their jobs — Langston Day
was ousted from office by a military junta — Current Biography
3. : to drive out of use : take the place of
must be careful that quantity does not oust quality — Ralph Vaughan Williams
colored slides virtually ousted black-and-white — Geographical Journal
Synonyms: see eject