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Definition of all-nighter noun from the Oxford Advanced Learner's Dictionary

all-nighter

noun
 
/ˌɔːl ˈnaɪtə(r)/
 
/ˌɔːl ˈnaɪtər/
(informal)
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  1. a time when you stay up all night studying, working or at a party
See all-nighter in the Oxford Advanced American Dictionary
trait
noun
 
 
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