lack
noun [ S or U ]
uk/læk/ usa situation in which there is not enough of something, or something is not available:
serious/severe lack of sth Many of these communities are having to cope with a severe lack of resources.
"Lack of time" is frequently cited as the reason for poor-quality work.
lack
verb [ T ]
uk/læk/ usto not have enough of something that is necessary:
Most of the candidates had the right qualifications but lacked the necessary skills.