defiant
He defiantly returned to the country despite the arrest warrant against him.
Men shook their fists defiantly at the police.
He spoke forcefully and sometimes defiantly about what his agency has endured.

SMART Vocabulary: related words and phrases

Opposing & against
active resistance
ad hominem
adversarial
against someone's beliefs
alienate
alienated
converse
countervailing
discordant
intifada
kick
kick against something
lark
man the barricadesidiom
objector
opposed
opposition
protest
resistant
sedition

You can also find related words, phrases, and synonyms in the topics:

Disobedient