Synonyms for Sloppiness (same or very similar meaning)
WordNet sense 1 (the wetness of ground that is covered or soaked with water):
muddiness, wateriness
WordNet sense 2 (a lack of order and tidiness; not cared for):
slovenliness, unkemptness
WordNet sense 3 (the quality of not being careful or taking pains):
carelessness
WordNet sense 4 (falsely emotional in a maudlin way):
mawkishness, mushiness, sentimentality, drippiness, soupiness
From the ODE community, based on WordNet
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