Related Clues:

• Disrupt, as a mellow
• Far from gentle
• Severe, as criticism
• Like Russian winters
• Very severe
• Lumbering
• Unnecessarily severe
• Ungentle
• Crueler than necessary
• Abrasive, rough or unkind
• Rough or unkind
• Unkind or cruel
• Severe and disagreeable
• Rough and disagreeable, maybe of voice
• Abrasive, rough