Blame; cause of blame; fault; crime; offense.
- Deficiency or absence: Lack of funding brought the project to a halt.
- A particular deficiency or absence: Owing to a lack of supporters, the reforms did not succeed.
- To be without or in need of: lacked the strength to lift the box.
- To be missing or deficient: We suspected that he was lying, but proof was lacking.
- To be in need of something: She does not lack for friends.