American English

Definition of backlog noun from the Oxford Advanced American Dictionary

 

backlog

 noun
noun
NAmE//ˈbæklɔɡ//
 
, NAmE//ˈbæklɑɡ//
 
 
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a quantity of work that should have been done already, but has not yet been done When she eventually returned to work, there was a tremendous backlog of paperwork to catch up on.
See the Oxford Advanced Learner's Dictionary entry: backlog