This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The quality or condition of being imperfect.

n. Something imperfect; a defect or flaw. See Synonyms at blemish.

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

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

n. The quality or condition of being imperfect; lack of perfection; incompleteness; deficiency; fault or blemish.

n. The character or condition of being imperfect; want of perfection; defectiveness; faultiness.

n. An imperfect detail; a particular in which perfection is lacking; a defect, physical, mental, or moral.

n. Synonyms Defect, deficiency, incompleteness, fault, failing, weakness, frailty, foible, blemish, vice.

n. the state or an instance of being imperfect

"That doesn't mean that we revel in imperfection, as is the implication of The Times 'story - that we have no standards."

perfection   

state   

faultiness    weakness    flaw    defect    defectiveness    wart    fault    failing   

weakness    frailty    deficiency    vice    incompleteness    defect    blemish    failing    fault    foible   

advection    affection    circumspection    collection    complexion    confection    connection    convection    correction    defection   

shortcoming    flaw    defect    frailty    infirmity    weakness    inconsistency    inaccuracy    failing    fault