1. most difficult to control or discipline; most disorderly or rebellious
Usage: superlative form of unruly

Examples

• The unruliest students were sent to the principal’s office.
• Her hair was at its unruliest after the windy day.
• The unruliest crowd gathered outside the stadium.
• This is the unruliest class I’ve ever taught.
• The unruliest protesters were arrested by police.
• Even the unruliest children calmed down during story time.