The quality or state of being free from grease or oily substances.
From 'greaseless' + '-ness'; this is a layered formation where '-less' is added to 'grease,' then '-ness' is added to create an abstract noun describing the condition of having no grease.
This word demonstrates English's remarkable ability to stack suffixes—we started with 'grease,' removed it with '-less,' then turned the whole idea into an abstract property with '-ness.' It's theoretically valid but rarely used because simpler words like 'cleanliness' already exist for the concept.
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