๐Ÿ“– WordNook

bitterly

adverb
  1. with bitterness, in a resentful manner
    โ€œThey complained bitterly.โ€
  2. indicating something hard to accept
    โ€œI was bitterly disappointed in my exam results.โ€
  3. extremely and sharply
    โ€œit was bitterly coldโ€
    piercinglybitinglybitter