Lack of development of intellectual capacity as a result of inadequate brain tissue.
Any of various disorders characterized by impairment of an individual's thoughts, emotions, or social functioning, including schizophrenia and mood disorders such as bipolar disorder.
Any of the various diseases affecting the mind onset by brain damage or genetics described in the International Statistical Classification of Diseases and Related Health Problems sections 290 through 319.
Psychosis is a serious mental disorder in which a person has impaired views of reality and whose personality is very disorganized.
The act of alienating or the condition of being alienated; estrangement:
Neurosis is a mental problem not caused by organic disease but characterized by symptoms of stress, phobias or depression.
A persistent, abnormal, and irrational fear of a specific thing or situation that compels one to avoid it, despite the awareness and reassurance that it is not dangerous.
(Psychiatry) An abnormal psychological state characterized by symptoms such as elation, high energy and activity level, racing thoughts, irritability, and rapid speech, typically occurring in people with bipolar disorder.
A personality disorder characterized by deceitfulness, manipulation, grandiosity, lack of empathy or guilt, and often aggressive or violent behavior. It is sometimes considered a subset of antisocial personality disorder.
The quality or condition of being sane; soundness of mind.
(Chemistry) The concentration of a solution expressed as the number of gram equivalent weights of solute per liter of solution.
A particular destructive process in an organ or organism, with a specific cause and characteristic symptoms; specif., an illness; ailment
(Countable) An act that is stupid.
Uncontrollably wild excitement or emotion
A lack of understanding, sense, or rational conduct; foolishness
A violent agitation of the mind approaching madness; rage.
The apparent perception of sights, sounds, etc. that are not actually present: it may occur in certain mental disorders
A group of psychiatric symptoms, including heightened emotionality, attention-seeking behavior, and preoccupation with physical symptoms that may not be explainable by a medical condition. The term hysteria is no longer in clinical use, and such symptoms are currently attributed to any of several psychiatric conditions, including somatic symptom disorder, conversion disorder, and histrionic personality disorder.
An excessive interest in or enthusiasm for some one thing; craze
Paranoia is a mental disorder with delusions or extreme irrational fear or distrust of others.
Natural understanding or intelligence, especially in practical matters:
The condition of being healthy or sound, esp. as the result of proper diet, exercise, etc.
The ability to maintain bodily equilibrium:
The definition of a disturbance is an interruption of what should be going on, or a bothersome intrusion.
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
The condition of being unbalanced; imbalance
Foolish behavior or a foolish action
Something, such as an act or suggestion, that is considered stupid or foolish.
Extravagant foolishness or frivolity:
The condition of having a sound and rational mind; being mentally healthy and having the ability to distinguish right from wrong. In all jurisdictions, being sane is presumed, and it is up to the defense to prove the contrary to be true. Synonymous with sanity. See also insanity and insanity defense.
- Psychosis is the psychiatric term for any of various specialized mental disorders, functional or organic, in which the personality is seriously disorganized
- Dementia is the general term for an acquired mental disorder, now generally one of organic origin, as distinguished from amentia (congenital mental deficiency)
- Lunacy specifically suggests periodic spells of insanity, but is now most commonly used in its extended sense of extreme folly
- Insanity , current in popular and legal language but not used technically in medicine, implies mental derangement in one who formerly had mental health
Find another word for insanity. In this page you can discover 56 synonyms, antonyms, idiomatic expressions, and related words for insanity, like: amentia, mental illness, mental-disorder, derangement, madness, dementia, lunacy, psychosis, alienation, neurosis and psychoneurosis.