bitter, change, be disobedient, disobey, grievously, provocation, provoke(-ing), (be) rebel (against, -lious)

Strong’s Dictionary of Hebrew Words:

Transliteration:
marah
Phonic:
maw-raw’
Meaning:
a primitive root; to be (causatively, make) bitter (or unpleasant); (figuratively) to rebel (or resist; causatively, to provoke)
KJV Usage:
bitter, change, be disobedient, disobey, grievously, provocation, provoke(-ing), (be) rebel (against, -lious)