rebukeful
/ˌrɛbjʊkˈfʊl, ˈrɛbjʊkˌfʊl/Definitions
1. adjective
Given to rebuking, or expressing severe disapproval
“The teacher’s rebukeful glare made the student feel ashamed.”
2. noun
The act of rebuking or severe disapproval
“The principal’s rebukeful words stung the entire class.”