rebellious

A rebellious person likes to challenge authority and break the rules every now and then. A really rebellious group tries to overthrow the government.

Being rebellious is part of the American character. If the colonies hadn't been rebellious enough to rebel against England, there would be no United States. Large groups of people can be rebellious, but so can individuals. A student who talks back to the teacher is being rebellious. An employee who ignores a dress code is being rebellious. Anywhere there's an authority, someone is probably acting rebellious toward it.

Definitions of rebellious
1

adj resisting control or authority

“temperamentally rebellious
“a rebellious crew”
Synonyms:
insubordinate
not submissive to authority

adj discontented as toward authority

Synonyms:
disaffected, ill-affected, malcontent
discontent, discontented
showing or experiencing dissatisfaction or restless longing

adj participating in organized resistance to a constituted government

Synonyms:
disloyal
deserting your allegiance or duty to leader or cause or principle