A lack of relish: distaste
Absence of relishing or palatable quality; bad taste; nauseousness.
To deprive of relish; to make nauseous or disgusting in a slight degree.
To have no taste for; to reject as distasteful.
Disgusting part of the nature of something; facet or tendencies (of a thing, idea, etc) to produce a reaction of repugnance or distaste.
Recycled sewer water is opposed by many sanitation agencies due to the yuck factor.