unaccustomed
Definitions
Not familiar or usual; out of the ordinary.
Not used to something; unacquainted with a particular experience or habit.
Examples
He was unaccustomed to the humid climate of the tropical island.
She felt unaccustomed to the silence after living in the bustling city for so many years.
Synonyms
unfamiliar unused inexperienced unpracticed strange novel unacquainted
Antonyms
accustomed familiar habituated experienced practiced used versed