1. taxes or duties imposed by a government, especially on imported goods
Usage: formal; often used in legal or economic contexts
2. the upper part of a pillar or wall that supports an arch
Usage: architecture

Examples

• The new imposts on luxury goods will increase government revenue.
• Parliament debated the proposed imposts on foreign textiles.
• The architect carefully designed the stone imposts to support the cathedral’s arches.
• Heavy imposts made imported wine expensive for consumers.
• The mason carved decorative patterns into the column’s impost.
• Trade negotiations focused on reducing imposts between the two countries.