מָרָה mârâh (H4784)
to be (causatively, make) bitter (or unpleasant); (figuratively) to rebel (or resist; causatively, to provoke)
1) to be contentious, be rebellious, be refractory, be disobedient towards, be rebellious against 1a) (Qal) to be disobedient, be rebellious 1a1) towards father 1a2) towards God 1b) (Hiphil) to show rebelliousness, show disobedience, disobey
a primitive root;