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English definition of “long”

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long

adjective
 
 
/lɒŋ/
DISTANCE A1 having a large distance from one end to the other: long, brown hair long legs a long dress It's a long way to travel to work.Long
TIME A1 continuing for a large amount of time: a long film/meeting Have you been waiting a long time?Long periods of time
HOW LONG used when asking for or giving information about the distance or time of something: It's about three metres long. Most of the concerts are over three hours long. How long do you want the skirt? Do you know how long the film is?Long
BOOK A2 A long book or other piece of writing has a lot of pages or words: a long article/letter →  See also in the long/short run Detailed and careful
(Definition of long adjective from the Cambridge Learners Dictionary © Cambridge University Press)
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