Words similar to bitterness

Example sentences for: bitterness

How can you use “bitterness” in a sentence? Here are some example sentences to help you improve your vocabulary:

[The book is] pugnacious and angry to the point of occasional bitterness and sarcasm."
In the last 100 pages, Ellen goes on trial for her mother's mercy killing and only then manages to remove herself, with bitterness, from her father's constellation.
"There is bitterness in the party over her complete failure to bring in votes," it went on.
Perhaps this is just bitterness on my part.
I don't seem to be able to get past the bitterness and resentment I feel for my parents.