neurotic
/nʊˈrɑːtɪk/ /Brit njʊˈr{scriptainv}tɪk/
adjective
[more ~; most ~]
medical :having or suggesting neurosis
often or always fearful or worried about something :tending to worry in a way that is not healthy or reasonable
noun
plural -ics
[count] medical :a person who has a neurosis
a person who is always fearful or worried about something