Synonyms for Shamefulness:

n.

disreputability, respect, good, infamy, right, dishonorableness, disreputableness. •disrepute (noun)
scandalousness, notoriety, disesteem, sordidness, dishonor, disrepute.
•infamy (noun)
ignominiousness.
•shamefulness (noun)
disgracefulness, ignominiousness, disrepute, disreputability, disreputableness, notoriety, dishonor, disesteem, dishonorableness.

Other synonyms:

dishonorableness, disreputableness, disreputability. infamy. •Other relevant words:
ignominiousness, disreputableness, disgracefulness, infamy, dishonorableness, disreputability.

Usage examples for shamefulness

1. The shamefulness of your asking me to do that! – Alexander's Bridge and The Barrel Organ by Willa Cather and Alfred Noyes

2. The shamefulness of a gallows! – Peggy Owen and Liberty by Lucy Foster Madison