Neurotic (adjective)

1. Suffering from or relating to neurosis.
2. Having or showing emotional or behavioral problems arising from a psychological conflict or frustration.

Origin:

From french névrotique, from greek νευρωτικός (neurōtikós), from νευρωτής (neurōtḗs, "sufferer from neuralgia"), from νευρών (neurṓn, "nerve") + -τής (-tḗs, "sufferer of").

Examples:

1. She's a bit neurotic, always worrying about things.
2. He's a neurotic perfectionist, never satisfied with his work.
3. She has a neurotic fear of flying.
4. He's a neurotic individual, always anxious and nervous.
5. The patient's symptoms are consistent with a neurotic disorder.