-yəs adjective
Etymology: Middle English, from Medieval Latin rebelliosus, from Latin rebellio rebellion + -osus -ous
1.
a. : given to or engaged in rebellion against constituted authority
rebellious troops
a rebellious politician
a rebellious student
b. : of, relating to, or characteristic of a rebel or rebellion
rebellious actions
rebellious speeches
rebellious times
c. : resisting control : hostile to authority or tradition
the early twentieth century was increasingly raucous, rebellious , and ribald — H.F.Mooney
2. : resisting treatment or management : refractory , unyielding
eczema of long standing or which is rebellious to treatment — H.G.Armstrong
bend his head and crash with his full weight into rebellious circumstances — Francis Hackett
Synonyms: see insubordinate