1. forward movement or progress
2. clear space above one’s head, especially the height of a passage or room
3. the time interval between vehicles traveling in the same direction on the same route
Usage: transportation

Examples

• The research team is making significant headway on finding a cure.
• Despite the obstacles, we’re finally making some headway with the project.
• The tunnel has limited headway, so tall trucks cannot pass through.
• Watch your head – there’s not much headway in this basement.
• The bus schedule shows a five-minute headway during rush hour.
• Traffic engineers reduced the headway between trains to increase capacity.
• After months of negotiations, they made little headway on the agreement.