|im+ noun
Etymology: Middle English imperfeccioun, from Middle French or Late Latin; Middle French imperfection from Late Latin imperfection-, imperfectio, from Latin imperfectus + -ion-, -io -ion — more at imperfect
1.
a. : the quality or state of being imperfect : lack of perfection : incompleteness
dissatisfied with the imperfection of man
saw the imperfection of the dress
b. : the quality or aspect in which something is incomplete : deficiency , fault , blemish
tried to cover up the imperfections in the cloth
2. in medieval church music
a. : duple time
b. : the occasional division of a triple measure into two equal parts
3.
a. : a sheet that is rejected because of faulty printing ; also : a replacement for such a sheet
b. : a printed or folded book section or a complete gathered or sewed but unbound book that has been rejected for any reason
4. : a piece of type cast to fill a deficiency in a type font