unhorsed

Verb

unhorse (third-person singular simple present unhorses, present participle unhorsing, simple past and past participle unhorsed)

1. To forcibly remove from a horse.
   • The knight was unhorsed when his opponent's lance struck his shield.
2. (broadly) To disrupt or unseat; to remove from a position.
   • The incumbent governor was unhorsed by the scandal that broke during his reelection campaign.