lack
Translation
lack, shortage, absence
Examples
A lack of sleep can affect your work.
A lack of sleep can affect your work.
He failed for lack of effort.
He failed for lack of effort.
Grammar Patterns
((a)) lack ((of sth.)) A shortage of something. There is a lack of information.
Similar Words
Synonyms: shortage, scarcity, deficiency; Antonyms: abundance, surplus
Etymology
From Middle Dutch 'lak' (deficiency, fault).
Memory Tips
If you 'lack' something, your bag is 'slack' (loose/empty). They sound similar.