Main Entry: ¹lack

Pronunciation: \ˈlak\

Function: verb

Date: 13th century

intransitive verb

1 : to be deficient or missing <time is lacking for a full explanation>
2 : to be short or have need of something <he will not lack for advisers>transitive verb : to stand in need of : suffer from the absence or deficiency of <lack the necessities of life>