An inaccurate aspect of something; an inaccurate statement, detail, etc.

inaccuracy; an instance of this.

The quality of being inexact; want of precision; inaccuracy. Also with an and plural: An instance of this.

The quality or character of being inexact; want of exactitude, accuracy, or precision; inexactness. Also (with plural), an instance of this; an…

Someone or something which is not quite all that might be expected; spec. someone who is not wholly socially acceptable.