What context can I use each word in?
Learn when and how to use these words with these examples!
lack
Example
I lack the necessary skills to complete this task. [lack: verb]
Example
There is a lack of resources to fund this project. [lack: noun]
deficiency
Example
The patient was diagnosed with a vitamin deficiency. [deficiency: noun]
Example
There is a deficiency in the company's safety protocols. [deficiency: noun]
Good things to know
Which word is more common?
Lack is more common in everyday language, while deficiency is more commonly used in formal or technical contexts.
Whatโs the difference in the tone of formality between lack and deficiency?
Deficiency is more formal and technical than lack, which can be used in both formal and informal contexts.
