Learn how to say Mutinously correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word mutinous:
(of a soldier or sailor) refusing to obey the orders of a person in authority:
mutinous soldiers occupied the radio station
wilful or disobedient:
Antoinette looked mutinous, but she obeyed
late 16th century: from obsolete mutine ‘rebellion’ (see mutiny) + -ous