What context can I use each word in?
Learn when and how to use these words with these examples!
weakness
Example
After the surgery, he experienced weakness in his legs. [weakness: noun]
Example
Her fear of heights was her biggest weakness. [weakness: noun]
deficiency
Example
The doctor diagnosed him with a vitamin deficiency. [deficiency: noun]
Example
The report highlighted the deficiencies in the company's safety procedures. [deficiencies: noun]
Good things to know
Which word is more common?
Deficiency is more commonly used in technical or scientific contexts, while weakness is more commonly used in personal or emotional contexts.
What’s the difference in the tone of formality between weakness and deficiency?
Deficiency is more formal than weakness, as it is often used in technical or scientific writing. Weakness is more informal and can be used in everyday conversation.
