neurosis
US /nʊˈroʊ.sɪs/
UK /nʊˈroʊ.sɪs/

1.
neurose
a relatively mild mental illness that is not caused by organic disease, involving symptoms of stress (depression, anxiety, obsessive behaviour, hypochondria) but not a radical loss of touch with reality.
:
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She developed a severe neurosis after the traumatic event.
Ela desenvolveu uma grave neurose após o evento traumático.
•
His constant worrying is a sign of his underlying neurosis.
Sua preocupação constante é um sinal de sua neurose subjacente.