Neurotic/nʊˈrɑːtɪk/ Definition 1 of 3Pro Tip 1/3Overreaction Common The term 'neurotic' often denotes someone reacting too much to small problems. She's neurotic about her diet, panicking over a single candy. Pro Tip 2/3Sensitive Context 'Neurotic' can sound critical, use it with people you know well. I was being neurotic when I called you ten times today. Pro Tip 3/3Not a Diagnosis In everyday use, 'neurotic' isn't a medical term but describes worry or anxiety. Sarah feels neurotic whenever she goes on a flight.