When roused, he could be violent.rousedroused /raʊzd/ adjective [not before noun] 
When roused, he could be violent.
EXAMPLES FROM THE CORPUS
- Four feet eleven inches of skin and bone, but a terrible sight to behold when roused.
- He had a wicked tongue when roused and could talk a blue streak.
- He was tall and meek-looking, but a tiger when roused.
- You're a fine woman when you're roused, my darling.
COLLOCATIONS FROM THE ENTRY When roused, he could be violent.
angry: When roused, he could be violent. When roused, he could be violent.