Imperfection

n. quality of being imperfect, faultiness; flaw, defect, shortcoming

"Imperfection" is an episode of Star Trek: Voyager, the second episode of the seventh season.
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Noun
1. the state or an instance of being imperfect
(synonym) imperfectness
(antonym) perfection, flawlessness, ne plus ultra
(hypernym) state
(hyponym) failing, weakness

n. imperfection, defect, shortcoming, blemish, flaw

(a.)
The quality or condition of being imperfect; want of perfection; incompleteness; deficiency; fault or blemish.