reserved
adjectiveUK /rɪˈzɜːvd/
US /rɪˈzɝːvd/
Quiet and not talking much around other people.
He is reserved at school but very chatty at home.
RELATED WORDS
OTHER MEANINGS
2. Kept or saved for a special person or purpose.
We have a table reserved for your birthday dinner.
3. Booked in advance so no one else can use it.
She reserved two seats at the cinema.
4. Kept back and not shown openly.
He spoke with reserved anger in his voice.