Rebuke severely is a term used to describe a strong reprimand or criticism. Keelhaul, BERATE, OBJURGATE, and jumpon are all words that can be used to express this idea. Keelhaul is an 8 letter word meaning to harshly criticize or punish someone. BERATE is a 6 letter word meaning to scold or criticize someone angrily. OBJURGATE is a 9 letter word meaning to scold or rebuke someone harshly. Jumpon is a 6 letter word meaning to criticize someone severely. All of these words can be used to express the idea of rebuking someone severely.