Noun
The quality or condition of being indistinct; want of definiteness; dimness; confusion; as, the indistinctness of a picture, or of comprehension; indistinctness of vision.
Source: Webster's dictionaryI believe I drank too much wine last night at Hurstbourne; I know not how else to account for the shaking of my hand today. You will kindly make allowance therefore for any indistinctness of writing, by attributing it to this venial error. Jane Austen