usurper

• n.usurp的变形

usurp[ju:'zə:p]

• vt.
  • 篡夺，强夺；侵占；盗用：

    Little by little he usurped his boss's authority.

    他逐渐地篡夺老板的权力。

• vi.
  • 篡夺；篡位；篡权；侵占
  • 侵害，侵犯