不足的近义词、同义词

lack of an adequate quantity or number; "the inadequacy of unemployment benefits"

a critical situation that arises because of a shortage (as a shortage of time or money or resources); "an end-of-the year crunch"; "a financial crunch"

the property of being an amount by which something is less than expected or required; "new blood vessels bud out from the already dilated vascular bed to make up the nutritional deficit"

the state of needing something that is absent or unavailable; "there is a serious lack of insight into the problem"; "water is the critical deficiency in desert regions"; "for want of a nail the shoe was lost"

a lack of competence; "pointed out the insufficiencies in my report"; "juvenile offenses often reflect an inadequacy in the parents"