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What's the word for fear of being alone?

The word you're looking for

autophobia /ˌɔːtəˈfoʊbiə/

Autophobia is an intense, persistent fear of being alone or solitude. It is a clinical phobia, not just normal loneliness—people with autophobia experience severe anxiety when they face isolation, even briefly.

Other words that fit

Use this for a more precise medical term specifically meaning fear of being alone, though it's less commonly used than autophobia in everyday English.

Use this alternative clinical term when you want to emphasize the fear of isolation and loneliness specifically.

Use this common word for the normal emotional experience of missing social connection, rather than the extreme clinical phobia.

Why this word

Autophobia is a psychological condition—a clinical phobia, not just ordinary loneliness. While many people enjoy solitude, those with autophobia experience intense anxiety and fear when facing isolation, even for short periods. This phobia can seriously affect work, relationships, and daily life because the person constantly seeks company to avoid being alone. The fear often stems from childhood experiences, abandonment anxiety, or underlying mental health conditions like depression or social anxiety. The good news is that therapy—especially cognitive behavioral therapy (CBT) and gradual exposure—can help reduce autophobia symptoms significantly.

In context

Frequently asked questions

How is autophobia different from loneliness?
Loneliness is a normal emotion when you miss social connection. Autophobia is a clinical phobia with severe anxiety symptoms—the person feels extreme fear and panic when alone, even if they chose to be alone.
What causes autophobia?
Causes may include childhood abandonment or trauma, very low self-esteem, past experiences of isolation, or underlying anxiety disorders like social anxiety or panic disorder.
Can autophobia be treated?
Yes. Cognitive behavioral therapy (CBT), exposure therapy, relaxation techniques, and sometimes medication can help reduce symptoms and build comfort with solitude.
Is autophobia the same as being introverted?
No. Introverts prefer quiet time alone and find it relaxing. People with autophobia fear being alone and feel severe anxiety, which is very different.