Dict: strongs - unpleasant

Strongs:

H4784 @ מרה mârâh maw-raw' A primitive root; to be (causatively make) bitter (or unpleasant); (figuratively) to rebel (or resist; causatively to provoke): - {bitter} {change} be {disobedient} {disobey} {grievously} {provocation} provoke ({-ing}) (be) rebel ({against} -lious).