- informal not disconcerted; unperturbed
WordReference Random House Unabridged Dictionary of American English © 2026
un•fazed
(un fāzd′),USA pronunciation adj.
- not dismayed or disconcerted;
undaunted:He was unfazed by his previous failures.
- un-1 + faze + -ed2
Collins Concise English Dictionary © HarperCollins Publishers::
unfazed /ʌnˈfeɪzd/ adj