imperfection

Those qualities or features that are imperfect; the characteristic, state, or quality of being imperfect.

You can accept your imperfection or try to improve.

And for the first time she realised what it was to escape from the smallish perfection of England, into the grander imperfection of a great continent.

Something that makes something else less than perfect; a blemish, impurity, error, etc.

He loves me despite my imperfections.

It will be sufficient for me if I discover many beauties or imperfections which others have not attended to; and I should be very glad to see one of our eminent writers publish their discoveries on the same subject.