• WordNet 3.6
    • n psychoneurosis a mental or personality disturbance not attributable to any known neurological or organic dysfunction
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Century Dictionary and Cyclopedia
    • n psychoneurosis Mental disease without recognizable anatomical lesion, and without evidence and history of preceding chronic mental degeneration. Under this head come melancholia, mania, primary acute dementia, and mania hallucinatoría. These cases issue in recovery, or in secondary dementia or imbecility of various grades.
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Chambers's Twentieth Century Dictionary
    • Psychoneurosis mental disease without apparent anatomical lesion
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Chambers's Twentieth Century Dictionary
L. psychicus—Gr. psychikospsychē, the soul—psychēin, to breathe.


In literature:

That she was suffering from a psychoneurosis was evident; what remained was to bring about treatment.
"The Nervous Housewife" by Abraham Myerson
The ordinary symptoms of the psychoneurosis are present.
"Psychotherapy" by James J. Walsh
This is a common symptom of various forms of psychoneurosis.
"The Behavior of Crowds" by Everett Dean Martin