1. The state of being imperfect.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• umperfectness,
• jmperfectness,
• kmperfectness,
• omperfectness,
• 9mperfectness,
• 8mperfectness,
• inperfectness,
• ikperfectness,
• ijperfectness,
• imoerfectness,
• imlerfectness,
• impertfectness,
• imperfectnesss,
• imperfecness,
• imperfectnes,
• imprefectness,
• Imperfecetness,
• Imperfeceness,
• Imperfecteness,
• Imperfekness

• imperativeness,
• imperfective,
• imperfect tense,
• imperforate,
• imperfectibility,
• imperfection,
• imperforate anus,
• imperviousness,
• imperiousness,
• improperness,
• imperfectly,
• imperfectability.

The adjective form of the word "imperfectness" is "imperfect".

The plural of the "imperfectness" can be the "imperfectnesses".

The singular of the "imperfectness" can be the "imperfectness".