4843  marar  maw-rar'

 a primitive root; properly, 
to trickle (see 4752); but 
used only as a denominative 
from 4751; to be 
(causatively, make) bitter 
(literally or figuratively):-
-(be, be in, deal, have, 
make) bitter(-ly, - ness), be 
moved with choler, (be, have 
sorely, it) grieved(-eth), 
provoke, vex.

 see HEBREW for 04752

 see HEBREW for 04751