How to Use "undemonstrative" with Example Sentences

1. He is a man of undemonstrative nature .
2. A phlegmatic ...... and certainly undemonstrative man .
3. My father was undemonstrative , and could neither share his feelings with us children nor deal with the feelings we had for him .
4. They were alike in many ways - forthright , undemonstrative , sometimes irritable , but also kind - and philip became like a son to the great man .
5. The hitherto undemonstrative authorities now consider kidnapping to be a serious enough problem to warrant asking for outside help-not something that comes naturally to chinese officialdom .