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English definition of “lag”

lag

verb [I]  /læɡ/ (-gg-) us  
to move or advance so slowly that you are behind other people or things: John’s always lagging behind the others in the class.

lag

noun [C/U]  /læɡ/ us  
a delay in the period of time in which events happen: [C] There is often a lag between becoming infected and the first signs of the illness.
(Definition of lag from the Cambridge Academic Content Dictionary © Cambridge University Press)
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