A considerable distance over which something must travel or be carried. For example, It's a long haul from my house to yours. This usage dates from the late 1800s, as does the antonym, short haul, as in The movers charge just as much for a short haul as for a long one.
A considerable length of time, an extended period, as in This investment is one for the long haul. It is often put as , as in Over the long haul we needn't worry about production. [c. 1930] Also see in the long run.
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