uncommunicative
US /ˌʌn.kəˈmjuː.nə.kə.t̬ɪv/
UK /ˌʌn.kəˈmjuː.nə.kə.t̬ɪv/
1.
not inclined to talk or give information; silent or reserved.
:
•
He became withdrawn and uncommunicative after the accident.
•
Her uncommunicative nature made it difficult to get to know her.