Neuroticism is a personality trait where a person is often worried, anxious, or afraid.
Neuroticism can make people think of someone who is always nervous or scared.
Examples:
Her neuroticism makes her worry about everything.
I think his neuroticism makes him afraid of new things.
Neuroticism can make it hard to be calm.
My cat has a lot of neuroticism. She's always scared of everything!
His neuroticism is so bad, he's afraid of his own shadow.
Her neuroticism is like a little mouse that's always afraid of everything.