ふけつ不潔fuketsu
1.
A state or quality in which something is expected to be clean but instead is soiled, making it uncomfortable or undesirable to come into contact with.
2.
An indication of moral filthiness or impurity that suggests a lack of ethical standards, leading to an aversion to involvement or association.
Example:
レストランの不潔な皿に私達は吐き気を催させられた。