embitterment

On the way home he continued to murmur murmurs of embitterment to himself.

Embitterment or wildness may exhibit itself, just as sorrow and softness, during the stay under arrest.

Street brawls arising out of the embitterment of feeling were not infrequent.

Limerick is still a cardinal memory in the long story of Irish embitterment.

The old unhappy loss or want of something had, I am conscious, some place in my heart; but not to the embitterment of my life.

Antagonism would almost inevitably ensue; the more surely as the partners would set out with the embitterment of a divorce.