Obstruct/əbˈstrʌkt/ Definition 1 of 4Pro Tip 1/3Physical Barriers Often used when something physically stops movement or visibility. A fallen tree obstructed the hiking trail. Pro Tip 2/3Metaphorical Use Can describe non-physical barriers to progress or success. Bureaucratic red tape can often obstruct innovation. Pro Tip 3/3Active Obstruction Implies a deliberate action to block something. The protester obstructed the road intentionally.