1. the practice of deliberately blocking or preventing progress, especially in politics or legislation
Usage: often used in political contexts; typically carries a negative connotation

Examples

• The opposition party was accused of obstructionism for repeatedly filibustering the bill.
• Critics blamed obstructionism in Congress for the delay in passing the infrastructure plan.
• The senator's obstructionism prevented the committee from reaching a consensus.
• Some viewed the tactics as necessary oversight; others called it pure obstructionism.
• The administration faced obstructionism from multiple departments when trying to implement the new policy.