Meaning of the word insubordination in English

What does insubordination mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

insubordination

US /ˌɪn.səˌbɔːr.dəˈneɪ.ʃən/
UK /ˌɪn.səˌbɔː.dɪˈneɪ.ʃən/

Noun

defiance of authority; refusal to obey orders

Example:
The employee was fired for gross insubordination after repeatedly refusing to follow company policy.
His act of insubordination led to a disciplinary hearing.