deficient

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Related to Mentally deficient: mentally impaired

de·fi·cient

 (dĭ-fĭsh′ənt)
adj.
1. Lacking an essential quality or element: deficient in common sense.
2. Inadequate in amount or degree; insufficient: a deficient education.

[Latin dēficiēns, dēficient-, present participle of dēficere, to fail, be wanting; see defect.]

de·fi′cient n.
de·fi′cient·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

deficient

(dɪˈfɪʃənt)
adj
1. lacking some essential; incomplete; defective
2. inadequate in quantity or supply; insufficient
[C16: from Latin dēficiēns lacking, from dēficere to fall short; see defect]
deˈficiently adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

de•fi•cient

(dɪˈfɪʃ ənt)

adj.
1. lacking some element or characteristic; defective.
2. inadequate.
n.
3. one who is deficient, esp. one who is mentally defective.
[1575–85; < Latin dēficient-, s. of dēficiēns, present participle of dēficere to fail, weaken]
de•fi′cient•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.deficient - inadequate in amount or degree; "a deficient education"; "deficient in common sense"; "lacking in stamina"; "tested and found wanting"
inadequate, unequal - lacking the requisite qualities or resources to meet a task; "inadequate training"; "the staff was inadequate"; "she was unequal to the task"
2.deficient - of a quantity not able to fulfill a need or requirement; "insufficient funds"
meager, meagerly, meagre, scrimpy, stingy - deficient in amount or quality or extent; "meager resources"; "meager fare"
3.deficient - falling short of some prescribed norm; "substandard housing"
nonstandard - varying from or not adhering to a standard; "nonstandard windows"; "envelopes of nonstandard sizes"; "nonstandard lengths of board"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

deficient

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

deficient

adjective
1. Lacking an essential element:
2. Not enough to meet a demand or requirement:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations
ناقِص
postrádající
mangelfuldufuldkommenutilstrækkelig
riittämätön
ábótavant
stokastokojantis
nepietiekošsnepilnīgs
nepostačujúci
nezadostenpomanjkljiv

deficient

[dɪˈfɪʃənt] ADJ (gen) → deficiente; (in quantity) → insuficiente; (= incomplete) → incompleto; (= defective) → defectuoso
to be deficient in sthestar falto de algo
his diet is deficient in vitamin Csu dieta está falta de vitamina C
mentally deficientdeficiente mental
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

deficient

[dɪˈfɪʃənt] adj
(= inadequate) [service, equipment] → défectueux/euse
(= lacking) deficient in → carencé(e) en, pauvre en
a diet deficient in vitamin B → un régime carencé en vitamine B, un régime pauvre en vitamine B
to be deficient in sth (gen)manquer de qch; (in vitamin, mineral)avoir une carence en qch
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

deficient

adjunzulänglich; somebody/something is deficient in somethingjdm/einer Sache fehlt es an etw (dat); a diet deficient in ironeine Ernährung, die nicht genug Eisen enthält ? mentally
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

deficient

[dɪˈfɪʃnt] adjdeficiente, insufficiente
to be deficient in sth → mancare di qc
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

deficient

(diˈfiʃənt) adjective
lacking in what is needed. Their food is deficient in vitamins.
deˈficiencyplural deˈficiencies noun
(a) shortage or absence of what is needed.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

deficient

a. deficiente, careciente.
English-Spanish Medical Dictionary © Farlex 2012

deficient

adj deficiente; to be — in carecer de, faltar(le) (a uno)
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in classic literature ?
"Yes,--he's mentally deficient, or something of the sort, isn't he?
The man tried to free himself from her rather surprising attentions, but she only clung more tightly to him, and suddenly, as he recalled that he had always heard that one must humor the mentally deficient, and at the same time seeing in her a possible agency of escape, he dosed his eyes and returned her embraces.
One would have to be "mentally deficient" to not realise the certainty of an economic boom that would follow a solution to the Cyprus problem, President Nicos Anastasiades said in an interview with daily Politis on Friday.
This well-established legal principle provides a safeguard for the mentally deficient and the flagrantly irrational from the powerful and harsh American criminal justice system.
He clearly was not intellectually challenged--he could not have achieved the grade he did get if he was mentally deficient. Maybe he was crazy?
A flamboyant character who wore a comb-over hairstyle with pins in it for safety, he regularly boasted of cracking safes and in describing his takeover of Darlington, would say with much pomp and pause for effect: "As a kid I was sold into slavery suffering beatings, hunger, misery and fear; then branded illiterate, mentally deficient and backward.
They include "at least" two large day technical continuation schools, a secondary school for boys, the extension of facilities for secondary education for girls, nursery schools for children between the ages of two and five or six years, an increased amount of medical inspection and treatment, an open-air school for weakly and anaemic children, a special school or special classes for the mentally deficient, and school canteens for those who are underfed or malnourished, whether due to the neglect, ignorance or poverty of the parents.
Alarmed by the integration movement in the United States, Italian eugenicists held that blacks were athletically gifted but mentally deficient. The least tolerant eugenicists wished to ban marriage between members of inferior races.
When Newcastle or Sunderland supporters have dared to suggest such things in the past, they've been written off as deluded, damaged or somehow mentally deficient.
According to (http://www.mtv.com/news/articles/1701358/kristen-wiig-anchorman-sequel.jhtml) MTV News , Wiig, who is an "SNL" alum like Ferrell, will reportedly be playing the love interest of Carell's mentally deficient character who loves lamps.
And a 2010 survey by the Levada Centre found that 74 percent of respondents thought homosexuality was either "immoral" or "mentally deficient".
If we're glorifying violence in America, we're going to see more kids, especially when they're mentally deficient, wanting to lash out and become suicide killers.