Meaning & use
deficient
Lacking a necessary quality or element, especially in an amount that is insufficient.
See it in a sentence
A diet deficient in vitamin C can eventually cause serious health problems.
The report was deficient in detail, so the committee sent it back for revision.
A note on using this word
Deficient is usually followed by 'in' to specify what is missing, as in 'deficient in iron.'
Words with a similar meaning
lackinginadequate
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
sufficient
Make it your own
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