Headwind and tailwind

A tailwind is a wind that blows in the direction of travel of an object, while a headwind blows against the direction of travel. A tailwind increases the object's speed and reduces the time required to reach its destination, while a headwind has the opposite effect.

"Headwind" redirects here. For other uses, see Headwind (disambiguation).
"Tailwind" redirects here. For other uses, see Tailwind (disambiguation).

The terms are also used metaphorically in business and elsewhere about circumstances where progress is made harder (headwind) or easier (tailwind).

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