guarded

US /ˈɡɑːr.dɪd/
UK /ˈɡɑːr.dɪd/
"guarded" picture
1.

cautious and restrained; reserved

:
He gave a guarded response to the sensitive question.
Her expression remained guarded throughout the interview.
2.

protected or watched over

:
The treasure was heavily guarded by armed soldiers.
The entrance to the facility was well guarded.