What context can I use each word in?
Learn when and how to use these words with these examples!
lack
Example
We lack the necessary resources to complete the project. [lack: verb]
Example
There is a lack of communication between the two departments. [lack: noun]
deficient
Example
The report was deficient in important details. [deficient: adjective]
Example
The company's budget is deficient and needs to be revised. [deficient: noun]
Good things to know
Which word is more common?
Lack is more common in everyday language than deficient. It is a versatile word that can be used in various contexts, while deficient is more formal and technical, and it is typically used in specific fields such as science, medicine, or finance.
What’s the difference in the tone of formality between lack and deficient?
Deficient is more formal and technical than lack. It is typically used in academic or professional settings, while lack can be used in both formal and informal contexts.