Any of various mental or emotional disorders, such as hypochondria or neurasthenia, arising from no apparent organic lesion or change and involving symptoms such as insecurity, anxiety, depression, and irrational fears.

• 神经官能症各种精神或情绪紊乱，如臆想病或神经衰弱，并不是由明显的器官损害或改变引起。表现为无安全感、焦虑、忧郁和无理智的恐惧感等症状