usurp
verb (used with object)
to seize and hold (a position, office, power, etc.) by force or without legal right.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Reddit, the recommendation site that has been usurping arch rival Digg, could soon have a liberation of sorts.
From Forbes ● Mar. 22, 2011