insubordination

US /ˌɪn.səˌbɔːr.dəˈneɪ.ʃən/
UK /ˌɪn.səˌbɔːr.dəˈneɪ.ʃən/
1.

sự không phục tùng

refusing to obey orders from people in authority:

:
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an act of insubordination