An astringent taste.
That which acts as an astringent, causing contraction of soft tissue to restrict the flow of blood.
Unpleasantness, disagreeableness (to the senses).
Lack of cleanliness.
Indecency; corruption; unkindness, meanness, spite, harshness, cruelty.
Dirt, filth.
A nasty action, object, quality, etc. (all senses of nasty).