The meaning of lack is to be deficient or missing. How to use lack in a sentence. After he left, they really felt the lack.
If there is a lack of something, there is not enough of it or it does not exist at all. Lack means to be without or to have less than a desirable quantity of something: To lack courage, sufficient money, enough members to make a quorum.
Definition of lack noun in oxford advanced learner's dictionary. Jan 20, 2026lack (third-person singular simple present lacks, present participle lacking, simple past and past participle lacked) (transitive, stative) to be without, not to have, to need, to require. Owing to a lack of supporters, the reforms did not succeed.
An absence or inadequate amount of something needed, desirable, or customary. See examples of lack used in a sentence.
