Meaning of LACK in English

LACK

[lack] vi (13c) 1: to be deficient or missing "time is ~ing for a full explanation"

2: to be short or have need of something "he will not ~ for advisers" ~ vt: to stand in need of: suffer from the absence or deficiency of "~ the necessities of life"

[2]lack n [ME lak; akin to MD lak lack, ON lakr defective] (14c) 1: the fact or state of being wanting or deficient

2: something that is lacking or is needed

Merriam-Webster English vocab.      Английский словарь Merriam Webster.