1. knocked or thrown from a horse
2. removed from a position of power or authority
Usage: figurative

Examples

• The knight was unhorsed by his opponent’s lance.
• She was unhorsed during the jousting tournament.
• The mayor was unhorsed in the election scandal.
• The CEO was unhorsed by the board of directors.
• Many politicians were unhorsed in the corruption investigation.
• The champion was finally unhorsed after years of dominance.