defiant

Showing bold resistance to authority or opposition; openly refusing to obey.

• defiance/dɪˈfaɪəns/(n)反抗
• defiantly/dɪˈfaɪəntli/(adv)反抗地
• defy/dɪˈfaɪ/(v)违抗

• defiant stance
• defiant tone
• defiant gesture
• remain defiant
• defiant look

1. 1.The activist stood defiant in front of the bulldozer, refusing to let them demolish the building. (bold resistance)
2. 2.Despite mounting pressure to resign, the CEO remained defiant, insisting she had done nothing wrong. (refusing to yield)

• rebellious/rɪˈbɛliəs/— resisting authority — broader
• insubordinate/ˌɪnsəˈbɔːrdɪnət/— disobedient to authority — more specific to hierarchy
• obstinate/ˈɒbstɪnət/— stubbornly refusing to change — less heroic

from French "défiant" — "défier" (to defy) from Latin "dis-" (away) + "fidere" (to trust) — withdrawing trust/loyalty