- 1Not having enough of a specified quality or ingredient: this diet is deficient in vitamin BMore example sentences
- The rapidly growing yearling is further jeopardized when twice daily feedings are already marginal or deficient in protein quality.
- The summer growing season of kenaf corresponds with low quality forages deficient in protein in the Southeast.
- I told myself that my attitude, knowledge, and skill cost a patient's life and I was deficient in all those qualities that a doctor should have.
- 1.1Insufficient or inadequate: the documentary evidence is deficientMore example sentences
lacking, wanting, defective, inadequate, insufficient, limited, poor, scant; short of/on, low on, with an insufficiency of, with too little/few …defective, faulty, flawed, inadequate, imperfect, impaired, shoddy, scrappy, sketchy, weak, inferior, unsound, substandard, second-rate, poor, shabby, incomplete, leaving much to be desired• informal duff
- The report accuses prosecutors of conducting deficient investigations or presenting inadequate evidence at the trials.
- She blames deficient preparation and insufficient commitment on the part of the school, but she also notes impediments in the exams themselves.
- Similarly, she has not observed or complained about any deficient workmanship in the insulation and drywall and she believes that none exists with respect to her residence.
- More example sentences
- In this case supply did take place but it took place late or deficiently.
- Virtue, then, is a reliable disposition whereby one reacts in relevant situations with the appropriate feeling - neither excessive nor deficient - and acts in the appropriate way - neither excessively nor deficiently.
- Likewise Liev Schreiber (Jakob the Liar) played a deficiently intellectual snob to perfection.
late 16th century (originally in the theological phrase deficient cause, denoting a failure or deficiency that has a particular consequence): from Latin deficient- 'failing', from the verb deficere (see defect1).