verb
Freq #69553
Meanings
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1
verb
to remove someone from an elected office, position of power, or established role
The challenger hoped to unseat the long-serving senator in November.
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2
verb
to dislodge someone from a physical seat, especially from a horse or bicycle
The sudden movement nearly managed to unseat the rider.
Thesaurus
Etymology
Formed from the reversive prefix un- + seat as a verb: literally, "to remove from a seat." The physical sense is especially associated with riders; the political sense extends seat to an office or position of authority.