adjective
- most friendly and sociable; having the closest companionship
Usage: superlative form of chummy; informal
Examples
- Sarah and Mike were the chummiest pair in the entire class.
- The chummiest neighbors always helped each other with yard work.
- During the camping trip, we became the chummiest group of friends.
- He was at his chummiest when meeting new people at parties.
- The chummiest coworkers often ate lunch together every day.
- She seemed chummiest with her old college roommates.