FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

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