Antonyms of noun perfection

1 of 3 senses of perfection

Sense 1
perfection, flawlessness, ne plus ultra -- (the state of being without a flaw or defect)
       Antonym of imperfection (Sense 1)
      => imperfection, imperfectness -- (the state or an instance of being imperfect)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun perfection

3 senses of perfection

Sense 1
perfection, flawlessness, ne plus ultra -- (the state of being without a flaw or defect)
       => state -- (the way something is with respect to its main attributes; "the current state of knowledge"; "his state of health"; "in a weak financial state")

Sense 2
paragon, idol, perfection, beau ideal -- (an ideal instance; a perfect embodiment of a concept)
       => ideal -- (the idea of something that is perfect; something that one hopes to attain)

Sense 3
perfection -- (the act of making something perfect)
       => improvement -- (the act of improving something; "their improvements increased the value of the property")