1. runs after someone or something in order to catch them
Usage: third person singular present
2. tries to get or achieve something
Usage: third person singular present
3. drives away or forces to leave
Usage: third person singular present

1. acts of pursuing someone or something
Usage: plural

Examples

• The dog chases the ball across the yard.
• She chases her dreams of becoming a doctor.
• The security guard chases away the trespassers.
• The police chases lasted for hours through the city.
• He always chases after the latest technology trends.
• The cat chases mice in the basement.
• The movie featured several exciting car chases.