The state or condition of being not complete.(noun)
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Use "incompleteness" in a sentence
"Their anatomical incorrectness --- incompleteness is more like it --- would seem to be a problem, but they are drawn together by a mutual fetishistic love of fashion and trying on outfits for each other is their version of sex, which makes the interrogation scene very kinky."
"For them a theory's uncertainty or incompleteness is not a failing but a positive and creative condition in its own right."
"In the end, though, such a feeling of incompleteness is easy to reconcile with the record, which, after all, comprises a series of musical fragments that fade in and out seemingly at random, as if you are coming into and out of ’scenes’ that have already started and that will continue on after you leave."