1. the space between the top of a person's head and the ceiling or other overhead structure
2. the amount of space or freedom available to move, act, or develop
Usage: figurative

Examples

• The basement has low headroom, so tall people have to duck when walking around.
• The new budget gives the company more headroom to invest in research and development.
• Make sure there is adequate headroom in the garage before buying a tall vehicle.
• The financial headroom allowed them to weather the economic downturn.
• Passengers complained about the lack of headroom on the budget airline.
• The project has some headroom in the timeline to handle unexpected delays.