adj

1) bitter, bitterness

1a) of water or food

1b) of harlot's end, end of wickedness, cry (fig.)

1c) of pain (subst)

adv

2) bitterly

Root √מרר: מָרַר vb be bitter Qal be bitter Pi make bitter shew bitterness . Hiph make bitter shew bitterness . Hithpalp and shall embitter himself .the king of the south(be enraged) .

מַר adj subst bitter bitterness . and.