noun
phobia
FOH-bee-uh/ˈfəʊbiə/
An extreme or irrational fear or aversion to something.
The woman's phobia makes her recoil intensely from the tiny harmless spider.

Etymology
Greek phobos shifted from “flight” to “fear” through the idea of panic-stricken escape. Phobia became a standalone word from fear-denoting compounds, later specializing in abnormal or irrational fear.
In context
a phobia is an intense irrational fear of a specific object situation or activity it goes beyond ordinary fears and can cause significant distress and interference in daily life
More examples
- Her phobia of needles makes blood tests especially difficult.
- A therapist helps him manage his phobia of dogs.
- Some phobias interfere with everyday activities like driving or shopping.
Forms
phobia · phobias
phobic adjective — Having an extreme or irrational fear.