Headlong and High-pressure

Headlong adjective - Acting or done with excessive or careless speed.

High-pressure and headlong are semantically related In some cases you can use "High-pressure" instead an adjective "Headlong".

High-pressure adjective - Having or showing a bold forcefulness in the pursuit of a goal.

Headlong and high-pressure are semantically related in excited topic. Sometimes you can use "Headlong" instead an adjective phrase "High-pressure".