long - definition in the American English Dictionary - Cambridge Dictionaries Online (US)

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English definition of “long”

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long

adjective [-er/-est only]  us   /lɔŋ/

long adjective [-er/-est only] (DISTANCE)

being a distance between two points that is more than average or usual, or being of a particular length: There was a long line at the post office. When I was young I wore my hair long. We’re still a long way from the station (= a great distance). A long piece of writing, such as a book or story, has many words: It’s a long book – over 600 pages.Long underwear Long underwear is long johns .

long adjective [-er/-est only] (TIME)

being an amount of time that is more than average or usual, or being of a particular amount of time: The days are longer in summer than in winter. We had to wait a long time to see the doctor. We went away for a long weekend in April (= Saturday, Sunday, and an extra day or days). Something that is long-lost has not been seen for many years before appearing suddenly: A long-lost diary was discovered among his papers.

long

verb [I]  us   /lɔŋ/

long verb [I] (WANT)

to want something very much: [+ to infinitive] She longed to move out of the city.
(Definition of long from the Cambridge Academic Content Dictionary © Cambridge University Press)
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