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lack

 
 
/læk/ verb

Definition

[T] to not have something, or not have enough of something: She really lacks confidence.
be lacking If something that you need is lacking, you do not have enough of it: Enthusiasm has been sadly lacking these past few months at work.
be lacking in sth to not have a quality: He's totally lacking in charm of any sort.
(Definition of lack verb from the Cambridge Learner's Dictionary © Cambridge University Press)

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