2lack noun
: the state or condition of not having any or enough of something : the state or condition of lacking something [singular] ▪ The problem is a lack of money. ▪ a lack of experience ▪ She has been suffering from a lack of sleep lately. [noncount] ▪ Her problem is lack of sleep. ▪ There was no lack of interest in the proposal. [=there was much interest in the proposal] ▪ His honesty, or lack thereof, is the real problem. [=the real problem is his lack of honesty] ▪ They called it a comet, for lack of a better term/word. [=because they could not think of a better term/word for it]
