lack meaning and definition

LACK noun

Definition of lack (noun)

1. 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"
   • synonyms: deficiency, want

LACK verb

Definition of lack (verb)

1. be without
   • "This soup lacks salt"; "There is something missing in my jewelry box!"
   • synonyms: miss
   • antonym: feature