vt to make bitter.
2. bitter ·noun aa turn of the cable which is round the bitts.
3. bitter ·vt mournful; sad; distressing; painful; pitiable.
4. bitter ·noun any substance that is bitter. ·see bitters.
5. bitter ·vt causing pain or smart; piercing; painful; sharp; severe; as, a bitter cold day.
6. bitter ·vt causing, or fitted to cause, pain or distress to the mind; calamitous; poignant.
7. bitter ·vt characterized by sharpness, severity, or cruelty; harsh; stern; virulent; as, bitter reproach.
8. bitter ·vt having a peculiar, acrid, biting taste, like that of wormwood or an infusion of hops; as, a bitter medicine; bitter as aloes.