Strong H4751 מַר mar mârâh · bitter

Jeremiah

1. Jeremiah 2:19
   Thine own wickedness shall correct thee, and thy backslidings shall reprove thee: know therefore and see that it is an evil thing and bitter, that thou hast forsaken the Lord thy God, and that my fear is not in thee, saith the Lord God of hosts.
2. Jeremiah 4:18
   Thy way and thy doings have procured these things unto thee; this is thy wickedness, because it is bitter, because it reacheth unto thine heart.