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men·tal 1

1. Of or relating to the mind: mental powers; mental health.
2. Executed or performed by the mind; existing in the mind: mental calculation; a mental image.
a. Slang Emotionally upset; crazed: got mental when he saw the dent in his new car.
b. Offensive Slang Having a mental illness or intellectual disability.
c. Often Offensive Relating to or being a place for housing or treating people with mental illness or intellectual disability: a mental ward.

[Middle English, from Old French, from Late Latin mentālis, from Latin mēns, ment-, mind; see men- in Indo-European roots.]

men′tal·ly adv.

men·tal 2

Of or relating to the chin.

[From Latin mentum, chin; see men- in Indo-European roots.]
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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adv.1.mentally - in your mindmentally - in your mind; "he suffered mentally"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


adverb psychologically, intellectually, rationally, inwardly, subjectively This technique will help people mentally organize information.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002


[ˈmentəlɪ] ADV
1. (= not physically) → mentalmente
to be mentally disturbedestar trastornado
to be mentally handicappedser un disminuido psíquico
to be mentally illtener una enfermedad mental, ser un enfermo mental
2. (= in the mind) [calculate, formulate] → mentalmente
mentally, I tried to picture what the house must have looked likeintenté formarme una imagen mental de cómo debía haber sido la casa
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


[ˈmɛntəli] adv
[exhausted] → mentalement; [alert] → mentalement; [demanding] → mentalement
to be mentally handicapped → être mentalement handicapé(e)
to be mentally disturbed → être mentalement dérangé(e)mental patient nmalade m/f mental(e)
Collins English/French Electronic Resource. © HarperCollins Publishers 2005


geistig; mentally handicappedgeistig behindert; mentally deficientgeistesschwach; he is mentally iller ist geisteskrank
(= in one’s head)im Kopf
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007


[ˈmɛntəlɪ] adv (calculate) → mentalmente, a mente
to be mentally handicapped → avere un handicap mentale
she is mentally ill → è malata di mente
the mentally handicapped → i portatori di handicap mentale
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995


(ˈmentl) adjective
1. of the mind. mental illnesses/disorders.
2. done or made by the mind. mental arithmetic; a mental picture.
3. for those who are ill in mind. a mental hospital.
4. suffering from an illness of the mind. a mental patient.
menˈtality (-ˈtӕ-) noun
(a level of) mental power. low mentality.
ˈmentally adverb
in the mind. She's mentally incapable of understanding; He is mentally ill.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
References in classic literature ?
"You would not be open with me," he seemed to say, mentally addressing her; "so much the worse for you.
How he happened to have come to Africa he did not tell them, leaving them to assume he had forgotten the incidents of his life prior to the frightful ordeals that had wrecked him mentally and physically.
The brigadier-general was free to mentally confess that, of all the eccentric persons he had ever met, none was comparable to this product of the exact sciences.
Pontellier's mind to wonder if his wife were not growing a little unbalanced mentally. He could see plainly that she was not herself.
The strain was great enough when I had merely the work in the printing-office; but now I came home from my Blackstone mentally fagged, and I could not take up the authors whom at the bottom of my heart I loved so much better.
SHEA had just beaten me at chess, as usual, and, also as usual, I had gleaned what questionable satisfaction I might by twitting him with this indication of failing mentality by calling his attention to the nth time to that theory, propounded by certain scientists, which is based upon the assertion that phenomenal chess players are always found to be from the ranks of children under twelve, adults over seventy-two or the mentally defective--a theory that is lightly ignored upon those rare occasions that I win.
Yes, he surely has the inside edge on me, and if he gets her to throw me over Well, I won't give up without a fight!" and Tom mentally girded himself for a battle of wits.
To be drowned in a pond, though it might be called an ignominious fate by the ignorant, is yet a bright and peaceful ending in comparison with some other endings to one's earthly career which I have mentally quaked at in the intervals or even in the midst of violent exertions.
She was, for one thing, physically and mentally suited among these new surroundings.
Husband and wife glanced at one another, both smiling with self-satisfaction, and each mentally claiming the honor of this visit.
She tucked the child up in bed, mentally vowing that she should be taught a prayer the very next day, and was leaving the room with the light when Anne called her back.
But I soothed and comforted her, till she pulled herself bravely together and recuperated mentally as quickly as she was wont to do physically.