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English definition of “lapse”

lapse

noun  /læps/ us  

lapse noun (FAILURE)

[C] a failure to do something that happens as a particular event at a particular time: a memory lapse She had a momentary lapse in concentration and lost the game.

lapse noun (PERIOD)

[U] a period of time after an event or between two events: Owing to the lapse of time since the crimes, none of the original witnesses could be found.

lapse

verb [I]  /læps/ us  

lapse verb [I] (END)

to end something, either intentionally or accidentally, that might be continued or that should continue: I must have let my subscription lapse, because I haven’t received any issues of the magazine in months.
Phrasal verbs
(Definition of lapse from the Cambridge Academic Content Dictionary © Cambridge University Press)
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