1. to drive away or force back
2. to cause dislike or disgust in someone
3. to resist or refuse to accept something

Examples

• The army was able to repel the enemy attack.
• This spray will repel mosquitoes and other insects.
• The smell of rotten eggs repels most people.
• She was repelled by his rude behavior.
• The coating repels water from the fabric.
• Like magnetic poles repel each other.
• The fortress walls helped repel the invaders.