sad sadden saddened

I am sad.

 

are you sad?

 

I am saddened by the news I just heard.

 

This is saddening.

 

 

Did you see him sadden just now?

 

 

Don't sadden him !

 

 

I was disheartened by the sad look on his face.

 

This is so disheartening. He lost.