1. to force someone to leave a place, especially a country, as an official punishment
2. to send someone away or exclude them from a place or group
3. to get rid of something unwanted; to cause something to disappear

Examples

• The king banishes his enemies from the kingdom.
• She banishes all negative thoughts from her mind.
• The coach banishes the player from the team for breaking the rules.
• He banishes himself to his room when he is upset.
• The new law banishes plastic bags from stores.
• Sunlight banishes the darkness from the room.