1 : the quality or state of being defective or of lacking some necessary quality or element : the quality or state of being deficient : inadequacy suffers from a deficiency of critical thinking. 2 : an amount that is lacking or inadequate : shortage staffing deficiencies : such as.

What is the best definition of deficiency?

The definition of a deficiency is something that is lacking, or something that isn't sufficient or good enough. When you do not get enough education, this is an example of something that can be seen as a deficiency when you are looking for a job. noun.

What does deficiency mean in health?

(deh-FIH-shun-see) In medicine, a shortage of a substance (such as a vitamin or mineral) needed by the body.