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English definition of “insubordination”

insubordination

noun [U]    /ˌɪn·səˌbɔr·dənˈeɪ·ʃən/
the refusal to obey someone who is in a higher position than you and who has the authority to tell you what to do: She had recently been fired from her job for insubordination.
(Definition of insubordination noun from the Cambridge Academic Content Dictionary © Cambridge University Press)
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