What is biggest fear?

Fear is a subjective experience and can vary from person to person, some of the common biggest fears include:

1. Acrophobia: Fear of heights.

2. Agoraphobia: Fear of open spaces or situations where escape might be difficult.

3. Arachnophobia: Fear of spiders.

4. Astraphobia: Fear of thunder and lightning.

5. Claustrophobia: Fear of confined spaces.

6. Cynophobia: Fear of dogs.

7. Glossophobia: Fear of public speaking.

8. Hydrophobia: Fear of water.

9. Thanatophobia: Fear of death.

10. Trypophobia: Fear of clusters of holes or bumps.

These fears can range from mild to severe and can have a significant impact on a person's life, causing avoidance behaviors and anxiety.