verb
faze
FAYZ/feɪz/
To disturb someone's calm or confidence.
The falling stack of folders fazes the woman as she draws.

Etymology
Faze is said to be a variant of dialectal feeze, meaning “frighten, alarm, or discomfit.” This connects the modern sense with disturbing someone's composure, rather than necessarily causing outright fear.
In context
it really didn't faze me as a kid, the itch cuz I was already so used to dealing with the itch of attopic dermatitis.
More examples
- Even tough questions don't faze her.
- I was fazed by the unexpected change in plans.
- The constant interruptions aren't fazing him.
Forms
faze · fazes · fazed · fazing
unfazed adjective — Not disturbed or discouraged by difficulties.
Similar words
- unsettle
- Emphasizes making someone feel uneasy or less secure.
- disconcert
- Often suggests confusion or awkwardness caused by something unexpected.
- intimidate
- Specifically involves fear that weakens someone's confidence or resolve.