usurp
verb (formal)- usurp somebody/something
to take somebody’s position and/or power without having the right to do this 篡夺；侵权 Democratically elected representatives should not be usurped by pressure groups. 民选代表不应被压力集团篡夺。 He attempted to usurp the principal's authority. 他企图僭越校长的权力。 She is scheming to take my place and usurp my power. 她图谋取代我的位置，篡夺我的权力。
Oxford Collocations DictionaryUsurp is used with these nouns as the object:- authority
- throne
Word OriginMiddle English (in the sense ‘appropriate a right wrongfully)’: from Old French usurper, from Latin usurpare ‘seize for use’.