We found one dictionary that defines the word with bitterness:

General (1 matching dictionary)

1. with bitterness: Rhymezone

Definitions from WordNet (with bitterness) ▸ adverb:  in a resentful manner ▸ Words similar to with bitterness ▸ Usage examples for with bitterness ▸ Idioms related to with bitterness ▸ Wikipedia articles (New!) ▸ Words that often appear near with bitterness ▸ Rhymes of with bitterness ▸ Invented words related to with bitterness