deficient

//dɪˈfɪʃ.ənt//
B2Frequency Level 12Formal
Visual representation of deficient

Adjective

deficientCanonical form
more deficientComparative
most deficientSuperlative
1

Lacking something essential or necessary; not having enough of a specified quality or ingredient.

The report was deficient in important details.

2

Inadequate or insufficient in amount, quality, or degree.

The report was deficient in detail and needed more information.

deficient - Deep Vocabulary