Synonyms for Unsavoriness:

n.

tastelessness (noun)
insipidity, weakness, vapidity, banality, mildness, blandness, flatness, plainness, staleness, tastelessness.
unsavoriness (noun)
distastefulness, sickeningness, disgustingness, nauseatingness.

Other synonyms:

Other relevant words:
distastefulness, sickeningness, disgustingness, nauseatingness.