1. in a savage, cruel, or extremely harsh manner
2. in an uncivilized or primitive manner

Examples

• The prisoners were treated barbarically by their captors.
• The ancient ritual was barbarically violent by modern standards.
• He was barbarically murdered in his own home.
• The invading army barbarically destroyed the village.
• The tribe lived barbarically, without modern conveniences.
• She was barbarically punished for a minor offense.