imperfection Meaning, Definition & Usage

  1. noun the state or an instance of being imperfect
    imperfectness.

WordNet

Im`per*fec"tion noun
Etymology
L. imperfectio: cf. F. imperfection. See Imperfect, a.
Definitions
  1. The quality or condition of being imperfect; want of perfection; incompleteness; deficiency; fault or blemish.
    Sent to my account With all my imperfections on my head. Shak.
    Syn. -- Defect; deficiency; incompleteness; fault; failing; weakness; frailty; foible; blemish; vice.

Webster 1913