adjective
- most badly behaved or spoiled (superlative form of bratty)
Usage: informal
Examples
- She was the brattiest child in the entire class.
- His brattiest behavior always came out when he didn’t get his way.
- The brattiest kids at the party were sent home early.
- Even her brattiest moments couldn’t make her parents stop loving her.
- The teacher had to deal with the brattiest students during lunch duty.
- He acted his brattiest when his grandparents visited.