Deficient Meaning in English
word
Definition
If something is deficient, it does not have enough of what is needed or is lacking in some important quality or amount.
Usage & Nuances
"Deficient" is formal and usually describes something missing a necessary quality or amount, especially in health, nutrition, or performance. Common collocations: 'deficient in vitamin D,' 'deficient performance,' 'deficient system.' Not used for people directly as an insult; use carefully to avoid being offensive.
Example Sentences
This diet is deficient in vitamins.
basic
The report was deficient and needed more details.
basic
If the machine’s power is deficient, it will not work well.
basic
Doctors said she was deficient in iron, which made her feel tired.
natural
The company’s software is deficient compared to its competitors.
natural
"I think the plan is deficient. There are too many gaps," the manager said.
natural