adjective
- most talkative or outspoken in a bold or impudent way
Usage: informal; superlative form of mouthy
Examples
- She was the mouthiest student in the class, always challenging the teacher.
- Of all the protesters, he was the mouthiest one there.
- The mouthiest kid on the team got benched for arguing with the coach.
- Even among her outspoken siblings, Sarah was the mouthiest.
- The mouthiest customer complained loudly about every small detail.
- He became the mouthiest critic of the new policy.