1. deficient - Noun
2. deficient - Adjective
3. deficient - Adjective Satellite
Wanting, to make up completeness; wanting, as regards a requirement; not sufficient; inadequate; defective; imperfect; incomplete; lacking; as, deficient parts; deficient estate; deficient strength; deficient in judgment.
Source: Webster's dictionaryI always looked upon the acts of racist exclusion, or insult, as pitiable, from the other person. I never absorbed that. I always thought that there was something deficient about such people. Toni Morrison
No mind is thoroughly well organized that is deficient in a sense of humor. Samuel Taylor Coleridge
Humans are just barely intelligent tool users; Darwinian evolutionary selection stopped when language and tool use converged, leaving the average hairy meme carrier sadly deficient in smarts. Charles Stross
About three hundred years ago, it was decreed by the Chief Circle that, since women are deficient in Reason but abundant in Emotion, they ought no longer to be treated as rational, nor receive any mental education. Edwin Abbott Abbott
You should carefully study the Art of Reasoning, as it is what most people are very deficient in, and I know few things more disagreeable than to argue, or even converse with a man who has no idea of inductive and deductive philosophy. William John Wills
Clique Maintenance: The need of one generation to see the generation following it as deficient so as to bolster its own collective ego: Kids today do nothing. They're so apathetic. We used to go out and protest. All they do is shop and complain. Douglas Coupland