The characteristic of being remiss; carelessness; negligence; tardiness.(noun)
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Use "remissness" in a sentence
"Sometimes I thought that the fiend followed me, and might expedite my remissness by murdering my companion."
"I wish to apologize for putting you to the inconvenience of having to come over and apprise me of my remissness."
"But negligence or remissness on the part of the cruisers stationed to maintain the blockade, may excuse persons, under circumstances, for violating the blockade."